Injector size to hp

X_1 Nov 27, 2009 · Joined Feb 19, 2009. 3,812 Posts. #8 · Nov 28, 2009 (Edited) the standard for injector size is 50hp are 30% over stock 90 are 45% over stock 120s are 60% and so on. The fuel economy (usually 1 MPG) is due to the fact that a GOOD injector that is honed and polished NOT EDM control the spray pattern more efficiently thus creating a cleaner more ... Aug 28, 2005 · Max hp per injector size? Thread starter lewroe59; Start date Aug 28, 2005; Aug 28, 2005 #1 lewroe59. Proven Member. 132 0 Jan 8, 2003 Arkansas. Oct 14, 2007 · Joined Apr 12, 2007. 6,000 Posts. #7 · Oct 15, 2007. Iwannagofast said: i found this equation for injector size. motor horsepower / 8 * .50 / .85. that says 36lbers are good for 500hp. and 42lbers for 600hp.. i well what hp you pushing to the crank..cuz 30lbs with a s/c maybe too small. FuelTech FT600, FT550, FT550LITE, and FT450 engine management systems are capable of controlling any fuel injector sizing, even the massive 850 lb/hr injectors found in super-high horsepower applications. The addition of a Peak & Hold driver box to any ECU allows ultimate control of low impedance fuel injectors. The best place to start to work out the right fuel injector size for your needs is to get an understanding of how much horsepower you expect to achieve with your modifications. We recommend you enlist the aid of a reputable car tuner to determine this. - whether you are using E85 or standard pump petrol. This calculator helps figure out what size injector would match your horsepower goals. 561-427-0082; My Account. Register; Login; Wish List (0) Shopping Cart; Contact us. Telephone 561-427-0082 ... HP TUNERS 0445; HP TUNERS 0525; HP TUNERS 0540; HP TUNERS 0650; HP TUNERS 0660; HP TUNERS 0775; HP TUNERS 0850; HP TUNERS 1000; HP TUNERS 1000 SHORT ...Jan 09, 2016 · More fuel was needed to feed the supercharger, so larger fuel injectors rated at 600 cc/min are utilized. SRT also developed a variable fuel pressure system with a pulse-width-modulated in-tank fuel pump." The quote was taken from the article: SRT Engineer Explains How Hellcat Hemi Pulls 707 Horsepower - EngineLabs Injector FAQ. Matching the Injector to the Engine. To calculate the injector size for a particular application: Injector Flow Rate (lb/hr) =. Engine HP (1) x BSFC (2) Number of Injectors x Injector duty cycle (3) Or. Injector Flow Rate (cc/min) =. Engine HP (1) x BSFC (2) x 10.5. Selecting the proper fuel injector size is critical for performance along with ease of tuning in a fuel injected engine combination. FuelTech makes the selection easier for all enthusiasts with its Fuel Injector Calculator. It is capable of recommending fuel injector sizing for naturally aspirated and turbo combinations that are run on gasoline, alcohol, or ethanol.Dec 04, 2013 · Injector size = [ (350 x 0.6) ÷ 8] ÷ 0.9. Injector size = (210 ÷ 8) ÷ 0.9. Injector size = 290cc or 29 lb/hr injectors – rounded up to 330 or 310cc. If your calculation does not return an injector size that is commonly available, it’s a general rule of thumb to simply round up to the nearest available size as shown with examples 2 and 3. Armed with the information from steps one through three above, you can now calculate the optimum fuel injector size using the following formula: injector size in lbs./hr. = (Max. HP x BSFC) / (number of injectors x duty cycle) We'll use a stock, early-model Ford 5.0L motor with an advertised 215 horsepower for the following example: (215 x 0. ...Jan 24, 2005 · What injectors will work best? - first, all fuel injectors are rated at 43.5 psi fuel pressure. - if you are changing fuel pressure, use: new flow rate = square (new pressure / old pressure) x old flow rate - if injectors are rated in lbs/hour, convert to lbs/min. to make things simple, let's assume 60lbs/hour injector rated @ 43.5psi: Feb 21, 2011 · How to calculate fuel injector size: N/A Engines: Injector flow rate (lbs/hr) = .45 x hp / # of injectors x 1.15 Boosted Engines: Injector flow rate (lbs/hr) = .55 x hp / # of injectors x 1.15 Nitrous Engines: Injector flow rate (lbs/hr) = .57 x hp / # of injectors x 1.15 E85. Stock Injectors: Nah, not happening. 550cc Injectors: 200 to 320chp (Stage 1+ OEM K04 Turbos) 750cc Injectors: 300 to 350chp (Hybrid K04s) 1000cc Injectors: 350 to 400chp (Hybrid K04s with built bottom end & Big Turbo applications) And now dear reader, it's time to overhaul your fueling and convert to a return system to hit the big numbers. Nov 27, 2006 · ok. in jan. im getting some trickflow or edelbrock alum. heads. right and im going to get the 190 fuel pump, the fuel reg.,1.6 rockers,ok. my problem is i am confused or stuck on which size fuel injectors to get. i am thinking about 30lb. or 24lb. i know 30lb will handle more hp than the 24s. So my question is how much hp can 30lb handle. Looking for 500 horsepower to the rear wheels? How about 1000 horsepower at the crankshaft? You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, Feb 21, 2011 · How to calculate fuel injector size: N/A Engines: Injector flow rate (lbs/hr) = .45 x hp / # of injectors x 1.15 Boosted Engines: Injector flow rate (lbs/hr) = .55 x hp / # of injectors x 1.15 Nitrous Engines: Injector flow rate (lbs/hr) = .57 x hp / # of injectors x 1.15 Armed with the information from steps one through three above, you can now calculate the optimum fuel injector size using the following formula: injector size in lbs./hr. = (Max. HP x BSFC) / (number of injectors x duty cycle) We'll use a stock, early-model Ford 5.0L motor with an advertised 215 horsepower for the following example: (215 x 0. ...This Injector Rx “Calculate horsepower based on injector size” calculator will allow you to calculate how much horsepower or KW a specific fuel injector can support. Variations such as Natural Aspirated, Turbo or supercharged, or specific type of gasoline, can be used. Note: Calculation is based on fuel pressure of 43.5 psi = 300 kpa = 3 Bar Oct 02, 2014 · I'm curious how Holley figures out what the max HP a specific injector size will support. For instance, on the package of 8 36lb injectors it says up to 575HP (N/A) However, when I use the online calculators most say they will support 490-500 HP. To use the Fuel Injector Size tool to select the correct size injector for your engine, fill out the above form with the specified data. Here are. some hints -. Horsepower - Expected Horsepower of the engine build. BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus. Injector FAQ. Matching the Injector to the Engine. To calculate the injector size for a particular application: Injector Flow Rate (lb/hr) =. Engine HP (1) x BSFC (2) Number of Injectors x Injector duty cycle (3) Or. Injector Flow Rate (cc/min) =. Engine HP (1) x BSFC (2) x 10.5. Selecting the proper fuel injector size is critical for performance along with ease of tuning in a fuel injected engine combination. FuelTech makes the selection easier for all enthusiasts with its Fuel Injector Calculator. It is capable of recommending fuel injector sizing for naturally aspirated and turbo combinations that are run on gasoline, alcohol, or ethanol.Nov 24, 2016 · I'm new to the fuel injection tuning. I need 36-42 lb/hr injectors for my car. I will be using the HP EFI system. I have a friend that needs larger injectors for his car, and he's offering me his 60 lb/hr injectors for a very good price. Will they be too large and therefore hinder my performance? This is a 350 LT1 stock eliminator car. Around ... Oct 15, 2015 · The Information You Need to Calculate the Injector Size You Need. There are four numbers that you need to know in order to properly calculate the size injector you need. Two of these are constants. The first constant you already know, the injector duty cycle of 80-85 percent. The second constant is Brake Specific Fuel Consumption, or BSFC. Apr 14, 2017 · Horsepower × BSFC. 800 × 0.55. 440 lbs/hr. Naturally aspirated LSX: 800 × 0.45. 360 lbs/hr. According to our calculations, the turbocharged small-block Ford will require a minimum of at least 440 pounds of fuel per hour, and the all-motor LSX will need 360 pounds of fuel per hour. Despite having the same horsepower goal, notice how each ... Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... E85. Stock Injectors: Nah, not happening. 550cc Injectors: 200 to 320chp (Stage 1+ OEM K04 Turbos) 750cc Injectors: 300 to 350chp (Hybrid K04s) 1000cc Injectors: 350 to 400chp (Hybrid K04s with built bottom end & Big Turbo applications) And now dear reader, it's time to overhaul your fueling and convert to a return system to hit the big numbers. Oct 15, 2015 · The Information You Need to Calculate the Injector Size You Need. There are four numbers that you need to know in order to properly calculate the size injector you need. Two of these are constants. The first constant you already know, the injector duty cycle of 80-85 percent. The second constant is Brake Specific Fuel Consumption, or BSFC. Oct 23, 2009 · Now to show that 550cc's are not recommended for 500HP. This HP figure is FLYWHEEL HP. Manual transmission rob 5-10% power where autos can take up to 25%!!! If you have a manual, the most you could put down, SAFELY, is around 425-450WHP. Ouch. Here are some charts. First one is MaxHP by injector size along with required/supplied fuel. Injector Flow Rate (cc/min) = Engine HP(1) x BSFC(2) x 10.5 Number of Injectors x Injector duty cycle(3) This worksheet can do the ... Lb/Hr cc/min: This Size Selection Guide is intended to help in determining what size injector to use in your application. * Brake Specific Fuel Consumption: This is the amount of fuel consumed (in lbs. per hour ...E85 – .84 to .91. Methanol – 1.8 to 2.0. Calculators. Injector Flow Calculator. Injector HP/KW Rating Calculator. Injector Flow VS Fuel Pressure Calculator. Fuel Pump Calculator. General Conversions. The best place to start to work out the right fuel injector size for your needs is to get an understanding of how much horsepower you expect to achieve with your modifications. We recommend you enlist the aid of a reputable car tuner to determine this. - whether you are using E85 or standard pump petrol. Apr 14, 2017 · Horsepower × BSFC. 800 × 0.55. 440 lbs/hr. Naturally aspirated LSX: 800 × 0.45. 360 lbs/hr. According to our calculations, the turbocharged small-block Ford will require a minimum of at least 440 pounds of fuel per hour, and the all-motor LSX will need 360 pounds of fuel per hour. Despite having the same horsepower goal, notice how each ... Apr 14, 2017 · Horsepower × BSFC. 800 × 0.55. 440 lbs/hr. Naturally aspirated LSX: 800 × 0.45. 360 lbs/hr. According to our calculations, the turbocharged small-block Ford will require a minimum of at least 440 pounds of fuel per hour, and the all-motor LSX will need 360 pounds of fuel per hour. Despite having the same horsepower goal, notice how each ... Nov 24, 2016 · I'm new to the fuel injection tuning. I need 36-42 lb/hr injectors for my car. I will be using the HP EFI system. I have a friend that needs larger injectors for his car, and he's offering me his 60 lb/hr injectors for a very good price. Will they be too large and therefore hinder my performance? This is a 350 LT1 stock eliminator car. Around ... Sep 18, 2018 · The newest LS3 fuel injector uses a larger diameter lower O-ring compared to all the previous injectors. The difference is 0.025 to 0.030-inch (see chart). If you are adding an earlier injector to a later intake like an LS2 or LS3, you will need the larger diameter 0.570-inch O-rings. These O-rings are readily available. Jul 21, 2004 · cc per minute = HP x 5. HP = cc per minute / 5. HP = lbs per hour x 2.04. Ok I was trying to figure out how much power I have and I came up with 488.4 hp. This is how I did that. I am according to my datalogger using 74% of my 550cc injectors. 74% of 550cc is 407cc. According to the formula above 407cc devided by 5 is 81.4. An injector this size can also provide an accurate amount of fuel at low rpm. To calculate your required flow rate, use this formula: (Horsepower X BSFC) ÷ (number of injectors X injector duty cycle) For example, a naturally aspirated, 300 hp engine (BSFC 0.5), with 8 injectors will need 23.4 lbs./hr. of fuel per injector at an 80% (0.8) duty ...turbo/super charged injectors Options to fit '01-'05 Cable Driven + Sportster® and 2008-'17 Throttle-By-Wire '08-'17 Touring, excluding Milwaukee 8®. Highly recommended for super charged and turbo applications only. injector size calculator for horsepower target cc/min This calculator provides the required injector sizing in cc/min for your engine combination as well as the total flow in liters per hour for pump sizing. Injector size = [ (350 x 0.6) ÷ 8] ÷ 0.9. Injector size = (210 ÷ 8) ÷ 0.9. Injector size = 290cc or 29 lb/hr injectors - rounded up to 330 or 310cc. If your calculation does not return an injector size that is commonly available, it's a general rule of thumb to simply round up to the nearest available size as shown with examples 2 and 3.Sep 18, 2018 · The newest LS3 fuel injector uses a larger diameter lower O-ring compared to all the previous injectors. The difference is 0.025 to 0.030-inch (see chart). If you are adding an earlier injector to a later intake like an LS2 or LS3, you will need the larger diameter 0.570-inch O-rings. These O-rings are readily available. Apr 14, 2017 · Horsepower × BSFC. 800 × 0.55. 440 lbs/hr. Naturally aspirated LSX: 800 × 0.45. 360 lbs/hr. According to our calculations, the turbocharged small-block Ford will require a minimum of at least 440 pounds of fuel per hour, and the all-motor LSX will need 360 pounds of fuel per hour. Despite having the same horsepower goal, notice how each ... Nov 27, 2009 · Joined Feb 19, 2009. 3,812 Posts. #8 · Nov 28, 2009 (Edited) the standard for injector size is 50hp are 30% over stock 90 are 45% over stock 120s are 60% and so on. The fuel economy (usually 1 MPG) is due to the fact that a GOOD injector that is honed and polished NOT EDM control the spray pattern more efficiently thus creating a cleaner more ... Aug 28, 2005 · Max hp per injector size? Thread starter lewroe59; Start date Aug 28, 2005; Aug 28, 2005 #1 lewroe59. Proven Member. 132 0 Jan 8, 2003 Arkansas. Sep 18, 2018 · The newest LS3 fuel injector uses a larger diameter lower O-ring compared to all the previous injectors. The difference is 0.025 to 0.030-inch (see chart). If you are adding an earlier injector to a later intake like an LS2 or LS3, you will need the larger diameter 0.570-inch O-rings. These O-rings are readily available. Number of Injectors - Number of Injectors used (often 1 per cylinder, but not always true) BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus Mar 14, 2019 · The supderduty injectors are limited to a effective flow rate of approximately 120cc of flow in a split shot design. With these flow rates you are limited in power by a performance chip to the max potential of the stock injectors. Max HP with a chip will net you around 70 HP in the OBS and around 140 HP in the Superduty truck. This calculator will allow you to calculate injector size based on power requirement. You can select between horsepower (HP) or kilowatt (KW). It will also allow the input of various fuels such as gasoline, E85, E98 and Methanol. Note: Calculation is based on fuel pressure of 43.5 psi / 3 bar / 300 Kpa Desired Crankshaft Power Application Fuel Type Selecting the proper fuel injector size is critical for performance along with ease of tuning in a fuel injected engine combination. FuelTech makes the selection easier for all enthusiasts with its Fuel Injector Calculator. It is capable of recommending fuel injector sizing for naturally aspirated and turbo combinations that are run on gasoline, alcohol, or ethanol.Nov 27, 2009 · Joined Feb 19, 2009. 3,812 Posts. #8 · Nov 28, 2009 (Edited) the standard for injector size is 50hp are 30% over stock 90 are 45% over stock 120s are 60% and so on. The fuel economy (usually 1 MPG) is due to the fact that a GOOD injector that is honed and polished NOT EDM control the spray pattern more efficiently thus creating a cleaner more ... Looking for 500 horsepower to the rear wheels? How about 1000 horsepower at the crankshaft? You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, Jan 09, 2016 · More fuel was needed to feed the supercharger, so larger fuel injectors rated at 600 cc/min are utilized. SRT also developed a variable fuel pressure system with a pulse-width-modulated in-tank fuel pump." The quote was taken from the article: SRT Engineer Explains How Hellcat Hemi Pulls 707 Horsepower - EngineLabs Oct 23, 2009 · Now to show that 550cc's are not recommended for 500HP. This HP figure is FLYWHEEL HP. Manual transmission rob 5-10% power where autos can take up to 25%!!! If you have a manual, the most you could put down, SAFELY, is around 425-450WHP. Ouch. Here are some charts. First one is MaxHP by injector size along with required/supplied fuel. Aug 18, 2002 · So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. CC/min = lb/h x 10.5. lb/h per injector = (expected bhp x .55) / number of injectors. Calculating for a 4 cylinder engine (rounding up to next integer): injector size calculator for horsepower target cc/min This calculator provides the required injector sizing in cc/min for your engine combination as well as the total flow in liters per hour for pump sizing. Aug 18, 2002 · So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. CC/min = lb/h x 10.5. lb/h per injector = (expected bhp x .55) / number of injectors. Calculating for a 4 cylinder engine (rounding up to next integer): Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... Feb 23, 2011 · For your reference, use the above instructions to calculate fuel injectors size for your Corvette based on target peak horsepower. Instructions courtesy of Precision-Flow. C4, C5, C6 Corvette Factory Fuel Injector Sizes. 1982, 1984: 67/68 lb/hr. 1985: 24 lb/hr at 43.5 psi or 22.5 lb/hr at the factory 36-37 psi. 1986-1993: 22 lb/hr at 43.5 psi Looking for 500 horsepower to the rear wheels? How about 1000 horsepower at the crankshaft? You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, Location. All Around. Posts. 2,999. especially on the older PCM's you really need to have the correct data or you will have a hard time tuning it. if i were you i would go for ID850cc as there is data available and your car will be smooth. Follow @MASTUNING. Remote Tuning [email protected] Contact/Whatsapp +966555366161.An injector this size can also provide an accurate amount of fuel at low rpm. To calculate your required flow rate, use this formula: (Horsepower X BSFC) ÷ (number of injectors X injector duty cycle) For example, a naturally aspirated, 300 hp engine (BSFC 0.5), with 8 injectors will need 23.4 lbs./hr. of fuel per injector at an 80% (0.8) duty ...Apr 23, 2006 · 9,870 Posts. #10 · Apr 24, 2006. Keep the stock rail unless you have to change it. 650s should support about 400-450hp depending on mods/turbo. 750s should support about 450-550hp depending on mods/turbo. Stock fuel pump will support about 300hp or so on your car. Those are just rough, but should help your understanding. Jul 21, 2004 · cc per minute = HP x 5. HP = cc per minute / 5. HP = lbs per hour x 2.04. Ok I was trying to figure out how much power I have and I came up with 488.4 hp. This is how I did that. I am according to my datalogger using 74% of my 550cc injectors. 74% of 550cc is 407cc. According to the formula above 407cc devided by 5 is 81.4. Jun 09, 2021 · Fuel injector sizing & injector photos Revised 26-Dec-2014 to add statement about figures are for flywheel HP and not rear wheel HP Injector HP ratings: this flywheel HP, not rear wheel HP. Divide flow rating by.5 and multiply the result by the number of injectors. This uses a 100% duty cycle. Jan 24, 2005 · What injectors will work best? - first, all fuel injectors are rated at 43.5 psi fuel pressure. - if you are changing fuel pressure, use: new flow rate = square (new pressure / old pressure) x old flow rate - if injectors are rated in lbs/hour, convert to lbs/min. to make things simple, let's assume 60lbs/hour injector rated @ 43.5psi: Sep 18, 2018 · The newest LS3 fuel injector uses a larger diameter lower O-ring compared to all the previous injectors. The difference is 0.025 to 0.030-inch (see chart). If you are adding an earlier injector to a later intake like an LS2 or LS3, you will need the larger diameter 0.570-inch O-rings. These O-rings are readily available. Apr 21, 2014 · 1,292 Posts. #2 · Apr 25, 2014. Just remember that an injector that feeds 500 hp, like a naturally aspirated engine such as an GEN 4 SBC LS7, may not flow enough to properly fuel a supercharged/turbo engine, even tif it outputs the same 500hp.. Reason being it takes more fuel per hp to fuel a forced induction setup than a naturaly aspirated setup. Mar 22, 2010 · Stuarts Draft, Virginia. 600 whp on a awd is 750 crank with a 20% drivetrain loss, which is the standard loss we use with our cars. In order to keep duty cycle under 80% you would need 1250's. Also without knowing what turbo he's running you can't even guess how much boost you need or fuel pressure to make 600whp. Jul 11, 2012 · Armed with the information from steps one through three above, you can now calculate the optimum fuel injector size using the following formula: injector size in lbs./hr. = (Max. HP x BSFC) / (number of injectors x duty cycle) We’ll use a stock, early-model Ford 5.0L motor with an advertised 215 horsepower for the following example: (215 x 0. ... Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... take that into account when entering the HP number. When calculating injector size, round up to the next nearest size needed. For example if you calculate 26 lb/hr and have a 24 lb/hr and a 30 lb/hr to choose from, select the 30 lb/hr injector. Examples 400 HP street engine Number of injectors = 8 Injector size = (400 HP) x (0.5 BSFC)= 27.7 lb/hrThis Injector Rx "Calculate horsepower based on injector size" calculator will allow you to calculate how much horsepower or KW a specific fuel injector can support. Variations such as Natural Aspirated, Turbo or supercharged, or specific type of gasoline, can be used. Note: Calculation is based on fuel pressure of 43.5 psi = 300 kpa = 3 Bar.Location. All Around. Posts. 2,999. especially on the older PCM's you really need to have the correct data or you will have a hard time tuning it. if i were you i would go for ID850cc as there is data available and your car will be smooth. Follow @MASTUNING. Remote Tuning [email protected] Contact/Whatsapp +966555366161.Looking for 500 horsepower to the rear wheels? How about 1000 horsepower at the crankshaft? You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, turbo/super charged injectors Options to fit '01-'05 Cable Driven + Sportster® and 2008-'17 Throttle-By-Wire '08-'17 Touring, excluding Milwaukee 8®. Highly recommended for super charged and turbo applications only. So, to calculate an engine’s fuel requirement, we use the following formula: HORSEPOWER x BSFC. EXAMPLE: A 300 HP naturally aspirated engine running a BSFC of .5 requires what size fuel injector? 300 x 0.5 = 150 LB/HR total fuel requirement. Now we need to divide the total fuel requirement by the number of injectors being used. To use the Fuel Injector Size tool to select the correct size injector for your engine, fill out the above form with the specified data. Here are. some hints -. Horsepower - Expected Horsepower of the engine build. BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus. This calculator will allow you to calculate injector size based on power requirement. You can select between horsepower (HP) or kilowatt (KW). It will also allow the input of various fuels such as gasoline, E85, E98 and Methanol. Note: Calculation is based on fuel pressure of 43.5 psi / 3 bar / 300 Kpa. Desired Crankshaft Power.Apr 14, 2017 · Horsepower × BSFC. 800 × 0.55. 440 lbs/hr. Naturally aspirated LSX: 800 × 0.45. 360 lbs/hr. According to our calculations, the turbocharged small-block Ford will require a minimum of at least 440 pounds of fuel per hour, and the all-motor LSX will need 360 pounds of fuel per hour. Despite having the same horsepower goal, notice how each ... Oct 23, 2009 · Now to show that 550cc's are not recommended for 500HP. This HP figure is FLYWHEEL HP. Manual transmission rob 5-10% power where autos can take up to 25%!!! If you have a manual, the most you could put down, SAFELY, is around 425-450WHP. Ouch. Here are some charts. First one is MaxHP by injector size along with required/supplied fuel. Selecting the proper fuel injector size is critical for performance along with ease of tuning in a fuel injected engine combination. FuelTech makes the selection easier for all enthusiasts with its Fuel Injector Calculator. It is capable of recommending fuel injector sizing for naturally aspirated and turbo combinations that are run on gasoline, alcohol, or ethanol.Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... Feb 11, 2006 · Fuel Injector Size (lb/hr) = (FWHP x BSFC) / (8 x 0.85) FWHP is the flywheel HP. BSFC is brake specific fuel consumption. High compression is usually between 0.45 to 0.55 Low compression is usually between 0.50 to 0.60 Super/turbocharged is usually between 0.55 to 0.65 8 is the number of cylinders The 0.85 is the injector max duty cycle. Aug 28, 2005 · Max hp per injector size? Thread starter lewroe59; Start date Aug 28, 2005; Aug 28, 2005 #1 lewroe59. Proven Member. 132 0 Jan 8, 2003 Arkansas. Number of Injectors - Number of Injectors used (often 1 per cylinder, but not always true) BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus Injector size = [ (350 x 0.6) ÷ 8] ÷ 0.9. Injector size = (210 ÷ 8) ÷ 0.9. Injector size = 290cc or 29 lb/hr injectors - rounded up to 330 or 310cc. If your calculation does not return an injector size that is commonly available, it's a general rule of thumb to simply round up to the nearest available size as shown with examples 2 and 3.This calculator will allow you to calculate injector size based on power requirement. You can select between horsepower (HP) or kilowatt (KW). It will also allow the input of various fuels such as gasoline, E85, E98 and Methanol. Note: Calculation is based on fuel pressure of 43.5 psi / 3 bar / 300 Kpa Desired Crankshaft Power Application Fuel Type Aug 18, 2002 · So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. CC/min = lb/h x 10.5. lb/h per injector = (expected bhp x .55) / number of injectors. Calculating for a 4 cylinder engine (rounding up to next integer): Fuel Injector Clinic's Horsepower Calculator helps you know what horsepower each injector size will support. Enter a injector size and we can give the max horsepower supported for the entered injector size. 561-427-0082 ... HP TUNERS 0445; HP TUNERS 0525; HP TUNERS 0540; HP TUNERS 0650; HP TUNERS 0660; HP TUNERS 0775; HP TUNERS 0850; HP TUNERS ...The best place to start to work out the right fuel injector size for your needs is to get an understanding of how much horsepower you expect to achieve with your modifications. We recommend you enlist the aid of a reputable car tuner to determine this. - whether you are using E85 or standard pump petrol. Jun 09, 2021 · Fuel injector sizing & injector photos Revised 26-Dec-2014 to add statement about figures are for flywheel HP and not rear wheel HP Injector HP ratings: this flywheel HP, not rear wheel HP. Divide flow rating by.5 and multiply the result by the number of injectors. This uses a 100% duty cycle. E85 - .84 to .91. Methanol - 1.8 to 2.0. Calculators. Injector Flow Calculator. Injector HP/KW Rating Calculator. Injector Flow VS Fuel Pressure Calculator. Fuel Pump Calculator. General Conversions.An injector this size can also provide an accurate amount of fuel at low rpm. To calculate your required flow rate, use this formula: (Horsepower X BSFC) ÷ (number of injectors X injector duty cycle) For example, a naturally aspirated, 300 hp engine (BSFC 0.5), with 8 injectors will need 23.4 lbs./hr. of fuel per injector at an 80% (0.8) duty ...Feb 21, 2011 · How to calculate fuel injector size: N/A Engines: Injector flow rate (lbs/hr) = .45 x hp / # of injectors x 1.15 Boosted Engines: Injector flow rate (lbs/hr) = .55 x hp / # of injectors x 1.15 Nitrous Engines: Injector flow rate (lbs/hr) = .57 x hp / # of injectors x 1.15 injector size calculator for horsepower target cc/min This calculator provides the required injector sizing in cc/min for your engine combination as well as the total flow in liters per hour for pump sizing. Jan 24, 2008 · I checked my injectors flow rating using EFI Live it showed 25.235972 Lbs/Hr on my 2003 5.3L and I believe our trucks run at 58PSI(4 Bar). Just to check I also looked up some 4.8L & 6.0L stock tunes since I just put in a 6.0L(or rather a 6.7L 408) and wanted to see what size injectors they came with stock and they were both using the same size as my stock injectors. Sep 18, 2018 · The newest LS3 fuel injector uses a larger diameter lower O-ring compared to all the previous injectors. The difference is 0.025 to 0.030-inch (see chart). If you are adding an earlier injector to a later intake like an LS2 or LS3, you will need the larger diameter 0.570-inch O-rings. These O-rings are readily available. Armed with the information from steps one through three above, you can now calculate the optimum fuel injector size using the following formula: injector size in lbs./hr. = (Max. HP x BSFC) / (number of injectors x duty cycle) We'll use a stock, early-model Ford 5.0L motor with an advertised 215 horsepower for the following example: (215 x 0. ...The output graph shows a range of injector flow vs. horsepower, hit the 'Sample' button to give it a try. Remember these are ESTIMATES always consult your engine builder or tuner for final sizes and recommendations. Injector Capacity. Injector Flow Rate. lb/hr cc/min. Number of Injectors. BSFC.Nov 27, 2009 · Joined Feb 19, 2009. 3,812 Posts. #8 · Nov 28, 2009 (Edited) the standard for injector size is 50hp are 30% over stock 90 are 45% over stock 120s are 60% and so on. The fuel economy (usually 1 MPG) is due to the fact that a GOOD injector that is honed and polished NOT EDM control the spray pattern more efficiently thus creating a cleaner more ... Nov 24, 2016 · I'm new to the fuel injection tuning. I need 36-42 lb/hr injectors for my car. I will be using the HP EFI system. I have a friend that needs larger injectors for his car, and he's offering me his 60 lb/hr injectors for a very good price. Will they be too large and therefore hinder my performance? This is a 350 LT1 stock eliminator car. Around ... Apr 14, 2017 · Horsepower × BSFC. 800 × 0.55. 440 lbs/hr. Naturally aspirated LSX: 800 × 0.45. 360 lbs/hr. According to our calculations, the turbocharged small-block Ford will require a minimum of at least 440 pounds of fuel per hour, and the all-motor LSX will need 360 pounds of fuel per hour. Despite having the same horsepower goal, notice how each ... Today we are looking at injectors and what parameters you need to adjust in HP Tuners when doing an upgrade to get up and running with the larger injectors. ... Selecting the proper fuel injector size is critical for performance along with ease of tuning in a fuel injected engine combination. FuelTech makes the selection easier for all enthusiasts with its Fuel Injector Calculator. It is capable of recommending fuel injector sizing for naturally aspirated and turbo combinations that are run on gasoline, alcohol, or ethanol.Location. All Around. Posts. 2,999. especially on the older PCM's you really need to have the correct data or you will have a hard time tuning it. if i were you i would go for ID850cc as there is data available and your car will be smooth. Follow @MASTUNING. Remote Tuning [email protected] Contact/Whatsapp +966555366161.This calculator provides the required injector sizing in cc/min for your engine combination as well as the total flow in liters per hour for pump sizing. the maximum time the injector is on vs off. Maximum recommended is 80% of on time. Refers to the Brake Specific Fuel Consumption for the application. Values used in the calculator are:Fuel Injector Clinic's Horsepower Calculator helps you know what horsepower each injector size will support. Enter a injector size and we can give the max horsepower supported for the entered injector size. 561-427-0082 ... HP TUNERS 0445; HP TUNERS 0525; HP TUNERS 0540; HP TUNERS 0650; HP TUNERS 0660; HP TUNERS 0775; HP TUNERS 0850; HP TUNERS ...Looking for 500 horsepower to the rear wheels? How about 1000 horsepower at the crankshaft? You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, Location. All Around. Posts. 2,999. especially on the older PCM's you really need to have the correct data or you will have a hard time tuning it. if i were you i would go for ID850cc as there is data available and your car will be smooth. Follow @MASTUNING. Remote Tuning [email protected] Contact/Whatsapp +966555366161.Jan 24, 2005 · What injectors will work best? - first, all fuel injectors are rated at 43.5 psi fuel pressure. - if you are changing fuel pressure, use: new flow rate = square (new pressure / old pressure) x old flow rate - if injectors are rated in lbs/hour, convert to lbs/min. to make things simple, let's assume 60lbs/hour injector rated @ 43.5psi: Jun 09, 2021 · Fuel injector sizing & injector photos Revised 26-Dec-2014 to add statement about figures are for flywheel HP and not rear wheel HP Injector HP ratings: this flywheel HP, not rear wheel HP. Divide flow rating by.5 and multiply the result by the number of injectors. This uses a 100% duty cycle. E85 – .84 to .91. Methanol – 1.8 to 2.0. Calculators. Injector Flow Calculator. Injector HP/KW Rating Calculator. Injector Flow VS Fuel Pressure Calculator. Fuel Pump Calculator. General Conversions. This calculator will allow you to calculate injector size based on power requirement. You can select between horsepower (HP) or kilowatt (KW). It will also allow the input of various fuels such as gasoline, E85, E98 and Methanol. Note: Calculation is based on fuel pressure of 43.5 psi / 3 bar / 300 Kpa. Desired Crankshaft Power.Jul 21, 2004 · cc per minute = HP x 5. HP = cc per minute / 5. HP = lbs per hour x 2.04. Ok I was trying to figure out how much power I have and I came up with 488.4 hp. This is how I did that. I am according to my datalogger using 74% of my 550cc injectors. 74% of 550cc is 407cc. According to the formula above 407cc devided by 5 is 81.4. Aug 28, 2005 · Max hp per injector size? Thread starter lewroe59; Start date Aug 28, 2005; Aug 28, 2005 #1 lewroe59. Proven Member. 132 0 Jan 8, 2003 Arkansas. This calculator will allow you to calculate injector size based on power requirement. You can select between horsepower (HP) or kilowatt (KW). It will also allow the input of various fuels such as gasoline, E85, E98 and Methanol. Note: Calculation is based on fuel pressure of 43.5 psi / 3 bar / 300 Kpa. Desired Crankshaft Power.Aug 18, 2002 · So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. CC/min = lb/h x 10.5. lb/h per injector = (expected bhp x .55) / number of injectors. Calculating for a 4 cylinder engine (rounding up to next integer): Aug 18, 2002 · So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. CC/min = lb/h x 10.5. lb/h per injector = (expected bhp x .55) / number of injectors. Calculating for a 4 cylinder engine (rounding up to next integer): Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. Approx. fuel increase due to 50HP increase is 7 lb/h or 75cc. Quote from Corky:"The .55 figure is actually the maximum load brake specific fuel consumption (bsfc) of a typical turbo charged engine.Feb 23, 2011 · For your reference, use the above instructions to calculate fuel injectors size for your Corvette based on target peak horsepower. Instructions courtesy of Precision-Flow. C4, C5, C6 Corvette Factory Fuel Injector Sizes. 1982, 1984: 67/68 lb/hr. 1985: 24 lb/hr at 43.5 psi or 22.5 lb/hr at the factory 36-37 psi. 1986-1993: 22 lb/hr at 43.5 psi Number of Injectors - Number of Injectors used (often 1 per cylinder, but not always true) BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus The best place to start to work out the right fuel injector size for your needs is to get an understanding of how much horsepower you expect to achieve with your modifications. We recommend you enlist the aid of a reputable car tuner to determine this. - whether you are using E85 or standard pump petrol. Jan 24, 2005 · What injectors will work best? - first, all fuel injectors are rated at 43.5 psi fuel pressure. - if you are changing fuel pressure, use: new flow rate = square (new pressure / old pressure) x old flow rate - if injectors are rated in lbs/hour, convert to lbs/min. to make things simple, let's assume 60lbs/hour injector rated @ 43.5psi: Oct 23, 2009 · Now to show that 550cc's are not recommended for 500HP. This HP figure is FLYWHEEL HP. Manual transmission rob 5-10% power where autos can take up to 25%!!! If you have a manual, the most you could put down, SAFELY, is around 425-450WHP. Ouch. Here are some charts. First one is MaxHP by injector size along with required/supplied fuel. Aug 28, 2005 · Max hp per injector size? Thread starter lewroe59; Start date Aug 28, 2005; Aug 28, 2005 #1 lewroe59. Proven Member. 132 0 Jan 8, 2003 Arkansas. To use the Fuel Injector Size tool to select the correct size injector for your engine, fill out the above form with the specified data. Here are. some hints -. Horsepower - Expected Horsepower of the engine build. BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus.Aug 28, 2005 · Max hp per injector size? Thread starter lewroe59; Start date Aug 28, 2005; Aug 28, 2005 #1 lewroe59. Proven Member. 132 0 Jan 8, 2003 Arkansas. Oct 14, 2007 · Joined Apr 12, 2007. 6,000 Posts. #7 · Oct 15, 2007. Iwannagofast said: i found this equation for injector size. motor horsepower / 8 * .50 / .85. that says 36lbers are good for 500hp. and 42lbers for 600hp.. i well what hp you pushing to the crank..cuz 30lbs with a s/c maybe too small. Fuel Injector Size (lb/hr) = (FWHP x BSFC) / (8 x 0.85) FWHP is the flywheel HP. BSFC is brake specific fuel consumption. High compression is usually between 0.45 to 0.55 Low compression is usually between 0.50 to 0.60 Super/turbocharged is usually between 0.55 to 0.65 8 is the number of cylinders The 0.85 is the injector max duty cycle.Feb 11, 2006 · Fuel Injector Size (lb/hr) = (FWHP x BSFC) / (8 x 0.85) FWHP is the flywheel HP. BSFC is brake specific fuel consumption. High compression is usually between 0.45 to 0.55 Low compression is usually between 0.50 to 0.60 Super/turbocharged is usually between 0.55 to 0.65 8 is the number of cylinders The 0.85 is the injector max duty cycle. The output graph shows a range of injector flow vs. horsepower, hit the 'Sample' button to give it a try. Remember these are ESTIMATES always consult your engine builder or tuner for final sizes and recommendations. Injector Capacity. Injector Flow Rate. lb/hr cc/min. Number of Injectors. BSFC.This Injector Rx “Calculate horsepower based on injector size” calculator will allow you to calculate how much horsepower or KW a specific fuel injector can support. Variations such as Natural Aspirated, Turbo or supercharged, or specific type of gasoline, can be used. Note: Calculation is based on fuel pressure of 43.5 psi = 300 kpa = 3 Bar E85 - .84 to .91. Methanol - 1.8 to 2.0. Calculators. Injector Flow Calculator. Injector HP/KW Rating Calculator. Injector Flow VS Fuel Pressure Calculator. Fuel Pump Calculator. General Conversions.Aug 18, 2002 · So here it is, a HP vs. inj. size chart for a typical turbo charged 4 cylinder engine, using formulas from Corky Bell's book. CC/min = lb/h x 10.5. lb/h per injector = (expected bhp x .55) / number of injectors. Calculating for a 4 cylinder engine (rounding up to next integer): turbo/super charged injectors Options to fit '01-'05 Cable Driven + Sportster® and 2008-'17 Throttle-By-Wire '08-'17 Touring, excluding Milwaukee 8®. Highly recommended for super charged and turbo applications only. This calculator helps figure out what size injector would match your horsepower goals. 561-427-0082; My Account. Register; Login; Wish List (0) Shopping Cart; Contact us. Telephone 561-427-0082 ... HP TUNERS 0445; HP TUNERS 0525; HP TUNERS 0540; HP TUNERS 0650; HP TUNERS 0660; HP TUNERS 0775; HP TUNERS 0850; HP TUNERS 1000; HP TUNERS 1000 SHORT ...Today we are looking at injectors and what parameters you need to adjust in HP Tuners when doing an upgrade to get up and running with the larger injectors. ... Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... Use fuel injectors that are bigger to avoid a sluggish system and burned-out pistons. Consider key factors: To know what size you need for your fuel injection system in Corpus Christi, TX, you must understand how much horsepower your vehicle produces. Consider whether your car is supercharged or turbocharged, what kind of fuel you’re using ... Injector FAQ. Matching the Injector to the Engine. To calculate the injector size for a particular application: Injector Flow Rate (lb/hr) =. Engine HP (1) x BSFC (2) Number of Injectors x Injector duty cycle (3) Or. Injector Flow Rate (cc/min) =. Engine HP (1) x BSFC (2) x 10.5. This calculator will allow you to calculate injector size based on power requirement. You can select between horsepower (HP) or kilowatt (KW). It will also allow the input of various fuels such as gasoline, E85, E98 and Methanol. Note: Calculation is based on fuel pressure of 43.5 psi / 3 bar / 300 Kpa Desired Crankshaft Power Application Fuel Type Number of Injectors - Number of Injectors used (often 1 per cylinder, but not always true) BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus Sep 18, 2018 · The newest LS3 fuel injector uses a larger diameter lower O-ring compared to all the previous injectors. The difference is 0.025 to 0.030-inch (see chart). If you are adding an earlier injector to a later intake like an LS2 or LS3, you will need the larger diameter 0.570-inch O-rings. These O-rings are readily available. To use the Fuel Injector Size tool to select the correct size injector for your engine, fill out the above form with the specified data. Here are. some hints -. Horsepower - Expected Horsepower of the engine build. BSFC - N/A engines will have a BSFC in the range 0.50, Supercharged and Turbocharged engines will want to be at 0.60 lbs/per plus. turbo/super charged injectors Options to fit '01-'05 Cable Driven + Sportster® and 2008-'17 Throttle-By-Wire '08-'17 Touring, excluding Milwaukee 8®. Highly recommended for super charged and turbo applications only. Oct 14, 2007 · Joined Apr 12, 2007. 6,000 Posts. #7 · Oct 15, 2007. Iwannagofast said: i found this equation for injector size. motor horsepower / 8 * .50 / .85. that says 36lbers are good for 500hp. and 42lbers for 600hp.. i well what hp you pushing to the crank..cuz 30lbs with a s/c maybe too small. Injector size = [ (350 x 0.6) ÷ 8] ÷ 0.9. Injector size = (210 ÷ 8) ÷ 0.9. Injector size = 290cc or 29 lb/hr injectors - rounded up to 330 or 310cc. If your calculation does not return an injector size that is commonly available, it's a general rule of thumb to simply round up to the nearest available size as shown with examples 2 and 3.E85 – .84 to .91. Methanol – 1.8 to 2.0. Calculators. Injector Flow Calculator. Injector HP/KW Rating Calculator. Injector Flow VS Fuel Pressure Calculator. Fuel Pump Calculator. General Conversions. Feb 23, 2011 · For your reference, use the above instructions to calculate fuel injectors size for your Corvette based on target peak horsepower. Instructions courtesy of Precision-Flow. C4, C5, C6 Corvette Factory Fuel Injector Sizes. 1982, 1984: 67/68 lb/hr. 1985: 24 lb/hr at 43.5 psi or 22.5 lb/hr at the factory 36-37 psi. 1986-1993: 22 lb/hr at 43.5 psi Nov 27, 2006 · ok. in jan. im getting some trickflow or edelbrock alum. heads. right and im going to get the 190 fuel pump, the fuel reg.,1.6 rockers,ok. my problem is i am confused or stuck on which size fuel injectors to get. i am thinking about 30lb. or 24lb. i know 30lb will handle more hp than the 24s. So my question is how much hp can 30lb handle. Feb 23, 2011 · For your reference, use the above instructions to calculate fuel injectors size for your Corvette based on target peak horsepower. Instructions courtesy of Precision-Flow. C4, C5, C6 Corvette Factory Fuel Injector Sizes. 1982, 1984: 67/68 lb/hr. 1985: 24 lb/hr at 43.5 psi or 22.5 lb/hr at the factory 36-37 psi. 1986-1993: 22 lb/hr at 43.5 psi Mar 06, 2016 · Injector size (lb/hr) = (HP * BSFC) / (# Injectors * Max IDC) This is why there is a correction in the actual calculation in this module. It has been corrected in our reshoot which should be online in a few weeks. On ethanol we are burning a lot more fuel to make the same power that the engine made on gasoline. Injector FAQ. Matching the Injector to the Engine. To calculate the injector size for a particular application: Injector Flow Rate (lb/hr) =. Engine HP (1) x BSFC (2) Number of Injectors x Injector duty cycle (3) Or. Injector Flow Rate (cc/min) =. Engine HP (1) x BSFC (2) x 10.5. An injector this size can also provide an accurate amount of fuel at low rpm. To calculate your required flow rate, use this formula: (Horsepower X BSFC) ÷ (number of injectors X injector duty cycle) For example, a naturally aspirated, 300 hp engine (BSFC 0.5), with 8 injectors will need 23.4 lbs./hr. of fuel per injector at an 80% (0.8) duty ...injector size calculator for horsepower target cc/min This calculator provides the required injector sizing in cc/min for your engine combination as well as the total flow in liters per hour for pump sizing. The output graph shows a range of injector flow vs. horsepower, hit the 'Sample' button to give it a try. Remember these are ESTIMATES always consult your engine builder or tuner for final sizes and recommendations. Injector Capacity. Injector Flow Rate. lb/hr cc/min. Number of Injectors. BSFC.Looking for 500 horsepower to the rear wheels? How about 1000 horsepower at the crankshaft? You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, Oct 23, 2009 · Now to show that 550cc's are not recommended for 500HP. This HP figure is FLYWHEEL HP. Manual transmission rob 5-10% power where autos can take up to 25%!!! If you have a manual, the most you could put down, SAFELY, is around 425-450WHP. Ouch. Here are some charts. First one is MaxHP by injector size along with required/supplied fuel. Nov 24, 2016 · I'm new to the fuel injection tuning. I need 36-42 lb/hr injectors for my car. I will be using the HP EFI system. I have a friend that needs larger injectors for his car, and he's offering me his 60 lb/hr injectors for a very good price. Will they be too large and therefore hinder my performance? This is a 350 LT1 stock eliminator car. Around ...