Injector size to hp calculator. 5 lb/hr (8 injectors) x (0.

Injector size to hp calculator Injector Flow Rate Lb/hr. Proper injector sizing is crucial to ensure optimal engine performance and efficiency. Injector Size to HP Calculator. 50 for naturally aspirated engines, . 42 X 1. Engine calculator solving for fuel system flow injector size given horsepower injector size per horsepower: HP = horsepower: References - Books: See 3 on Fuel Injector Calculator is probably the most detailed Fuel Injector sizing software available. 415 if turbocharged, 0. , but at 43. 57 BSFC) = 47. We've tried to make this as accurate as possible but considering different fuel, climate, and other variables, we do NOT guarantee these numbers are 100% accurate for your application. 5 BSFC)= 27. We then increase the size by 30 percent to compensate for the 70 percent duty cycle; Selecting the Proper Size Injector Calculator. If you are having trouble figuring out what size injector you might need for your build, Fuel Injector Clinic launched a new injector calculator on its website to help customers in their decision-making process. We then divide 325 lb/hr by 6. Fuel Injector Clinic's Flow Rate calculator. Using fuel injectors that are too small will starve the engine of fuel. 3 The injector calculator uses a turbo as the basis for To calculate the injector size for a particular application: Fuel injectors max HP (cc/min)* = Injector flow rate x Number of injectors x 0. 65 for turbocharged engines. 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. Injector Size Calculator & other calculators. Simply take the number 42 and multiply this by 1. Injector sizes are in cc/min. Jun 4, 2024 · Enter the horsepower, injector flow rate, and number of injectors into the calculator to determine the missing variable. 03-04-2022 #2. B. 0 EA888 Gen. Estimate the required injector size for your engine according to your horsepower. Keep in mind that we are referring to flywheel HP, not wheel HP. Jan 2, 2020 · The injectors are also compatible with all fuels, which is perfect for an increasing number of E85 converted cars. 9) 600 HP Supercharged engine Number of injectors = 8 Injector size = (600 HP) x (0. Standard RX-7 Injector Sizes: 84-85 GSL-SE Injector calculators to match size to horsepower for gasoline, E85, E98, Methanol. Picking the proper fuel injector size is critical for performance and tuning control. 45 to . 42#er's are good for about 450-500 HP with about 20% to spare. The output graph shows a range of injector sizes vs. The Injector Dynamics fuel flow calculator is not based on efficiency. 9, and then for 1200 BHP, it calculates 155 lb/hr injectors at a flow rate of 1,080 lbs/hr and goes on to say a pump capable of 1,250 lbs/hr at the same 70 psi is Sep 27, 2022 · The Accel injector is also 19 lbs. 530"-0. 0. 5 lb/hr (8 injectors) x (0. Horsepower Calculator. Specify the duty cycle the injectors will be run at. This should be . How much power do you realistically expect your modified engine to put out? Jun 1, 2023 · The formula used in the Injector Size Calculator is as follows: Injector Size (lb/hr) = (Engine HP * BSFC) / (Number of Injectors * Duty Cycle) In this formula, the engine HP and BSFC are multiplied, and the result is divided by the product of the number of injectors and the Duty Cycle. 8 - 0. For example, a 255 lph fuel pump does not flow 255 lph at 60 psi. 4 lbs. 60 for supercharged engines, and . Here are two TBI injectors. It works by estimating airflow based on a few known parameters, and then calculating fuel flow directly from exhaust lambda. Variations such as Natural Aspirated, Turbo or supercharged, or specific type of gasoline, can be used. Injector Flow Rate CC. About our Injector Calculator. This calculator will do it for both 2 Stroke and 4 stroke engines. 60 to . 0 EA888 evo4 from 280 hp 2. 5 psi, so using the formula below we can calculate the new injector size based on the difference in pressure. 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 complete fuel burn. 5 psi) and a maximum injector duty cycle (IDC) of 80%. View / Print Jun 10, 2022 · Calculating Individual Injector Size from a HP Goal – 8 Cyl. The Fuel Injector Size Calculator helps you determine the right size of the fuel injectors for your engine. 561-427-0082 Calculate Injector Size Based on Power Requirement, input horsepower or KW. 5 mm]. Historical Background Fuel Pump and Injector Sizing Calculator NOTE: This calculator gives you the ACTUAL required fuel flow. A Detailed Example 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. One the left is a Holley 85 lb/hr TBI injectors (apparently similar to some Chrysler TBI injectors), on the right is a GM TBI injector from a 1984 Corvette: Dec 20, 2019 · The first article says to assume a BSFC of 0. Max Duty Cycle % (usually no higher than 80%) Horsepower Calculator. Standard RX-7 Injector Sizes: 84-85 GSL-SE . Do you have our 1000cc high-z injectors? How about our 1120cc low-z injectors? Are you dreaming of upgrading to our 2150cc or 1100 high-z injectors? the reason the suggested boosting the f/p is to increase the fuel mass injected,from the stock injectors, thats a band aid approach, the correct approach is to correctly alter the fuel map, to get a longer duration spray pulse from the fuel injectors and if the stock injectors can,t supply the required fuel in the upper rpm range youll need to Mar 22, 2013 · Let's say that in the Injector size selection guide size calculator, you came up with a size of 42lb injector needed to reach your HP goals. This calculator helps figure out what size injector would match your horsepower goals. Once again, the addition of a larger fuel injector will do nothing to add horsepower. 55 to . 5. 8. C. Aug 10, 2010 · Fuel Injector Size Calculator Use this calculator to estimate the injector size needed to supply an engine making a certain horsepower. HP x BSFC) / (number of injectors x duty cycle) Select your fuel type, key in your desired horsepower and fuel pressure and it will generate fuel requirements for Naturally Aspirated, Nitrous, and Forced Induction Applications. 65 BSFC\(duty cycle\ # of injectors) example for 800 bHP on e85 running 80% injector duty cycle. C value. Fuel Injector Horsepower Calculator. 7 lb/hr (8 injectors) x (0. Click the button, and your maximum 400 HP street engine Number of injectors = 8 Injector size = (400 HP) x (0. 85 should be your goal at full boost and maximum engine speed. 5 psi (3 bar). 50) / 8 = 31. Please refer to your tuner or engine builder for recommended fuel pump and injector size. Here is a simple calculator that will do that. For performance applications, use this formula: Required Flow Rate (lb/hr) = (Max HP × BSFC) ÷ (Number of Injectors × Duty Cycle) Where: - BSFC = 0. horsepower, hit the 'Sample' button to give it a try. per hour) for each horsepower made. /hr. 47. The calculator bellow will help you figure out what size of injector will give you the horsepower you are after! Injector Flow Rate Calculator Typically the Brake Specific Fuel Consumption (BSFC) for naturally aspirated engines Calculating Required Injector Size. Product Questions? 405-217-0701 . Eric Brooks HP Tuners, LLC. 2= 162. Our injector calculator eliminates the guesswork when choosing the right injector size for your engine. Injector Flow Calculator Injector HP/KW Rating Calculator Injector Flow VS Fuel Pressure Calculator Fuel Pump Calculator General Conversions. 65\3. Industry-Leading Technical Support. * Brake Specific Fuel Consumption: is the amount of fuel consumed (in lbs. dlc_racing. Keep in mind that "New Pressure" is the current system pressure, NOT the new injector pressure. Fuel injectors are responsible for delivering fuel into the engine's combustion chambers. The 2nd one says to assume 0. 000412 300's and 330's same size - 4x12 = . Max Duty Cycle in % Input All Data please We've built this handy Fuel Injector sizing calculator to help you determine how much flow you'll need. Estimate the required injector size for your engine according to your horsepower. 2 days ago · Fuel Injector Size Calculator; Horsepower (at the flywheel) Number of Injectors: B. 85) Professional Tips for Accurate Conversions The manifold injector bungs are 0. 25 lb/hr at rated pressure. Fuel Injector Calculator – Calculate What Size Fuel Injectors You Need FUEL INJECTOR CALCULATOR FOR GASOLINE AND E85 The following is a guideline equation for approximating fuel flow per injector based on estimates on engine Horsepower (HP) and Brake Specific Fuel Consumption (BSFC). Nov 27, 2009 · the standard for injector size is 50hp are 30% over stock 90 are 45% over stock 120s are 60% and so on. 5) so 800 flywheel hp running 80 percent duty cycle calls for a 1700cc injector. Fuel Injector Calculators. The Injector Size Calculator helps you determine the appropriate fuel injector size for your engine, based on horsepower, the number of cylinders, BSFC (Brake Specific Fuel Consumption), and the desired injector duty cycle. S. If you are runing over this it's time to look for a larger injector. Polaris / HP Tuners - Injector Dynamics Calculator. When you choose a fuel pump size, you should consider the fuel pump curves for your fuel pressure usage. **These values are based on a calculated estimation and are not guaranteed. It provides a data-driven recommendation based on your specific modifications and performance goals. Knowing about fuel injector size is vital for better power, fuel use, and engine quickness. 5 . 7 when using E85 on a turbo setup and that would come out to 840 lbs/hr and 120 lb/hr fuel injectors. Goal: 500 HP Normally Aspirated with a V8 Engine (HP x BSFC) / 8 = Individual Injector Size in lbs/hr (500 x 0. 5), with 8 injectors will need 23. If the injectors are too small, the engine won't get enough fuel, which can lead to performance issues. = (Max. 2. ** Estimate the required injector size for your engine according to your horsepower. Providing user with dyno stats including Horsepower and Torque for their all motor, turbo, NOS or supercharged setup. 561-427-0082 Jun 21, 2024 · So when we crunch the numbers we get 650 horsepower times 0. 65 for forced induction - Maximum recommended duty cycle = 85% (0. Average Calculator. Aug 4, 2024 · Fuel Injector Size Calculator Desired Horsepower: BSFC (Brake Specific Fuel Consumption): Number of Injectors: Maximum Injector Duty Cycle (%): Calculate Injector Size Fuel injectors are key to your vehicle's engine performance and efficiency. Boost pressure, typically measured in pounds per square inch (psi) or bar, refers to the amount of compressed air being forced into the engine’s intake by a Jul 12, 2024 · To calculate this yourself, multiply the amount of horsepower (300 hp) by a multiplier (0. Sep 12, 2009 · stock 2nd gen inj - vary depending on model but all are 145° injectors 49 state 160 hp - 5x9 . (convert to cc per min by multiplying lb\min by 10. 8 BSFC x 10. Fuel Injector Clinic's Horsepower Calculator helps you know what horsepower each injector size will support. Jan 11, 2024 · Enter the desired engine horsepower, number of injectors, injector duty cycle, and brake specific fuel consumption into the calculator to determine the injector size needed for your engine. CATALOGUE. Receive our latest updates about our Calculators – Injector HP/KW Rating Calculator. 5 lb per minute injector. 000318 49 state 175 hp 5x9 . 9) The following chart provides maximum horsepower levels based on injector size and various BSFC values. 3 from 265 hp 2. 000354 all calif trucks '96-98 were 180 hp = 5x9. 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. Including but not limited to Honda, Acura, Toyota, Ford, Chevrolet, dodge, Ferrari, lamborghini and more. 800x . This calculator is meant to give approximate HP numbers according to the size of injectors utilized running gasoline. 01025 . Remember these are ESTIMATES always consult your engine builder or tuner for final sizes and recommendations. Do you have our 1000cc high-z injectors? How about our 1120cc low-z injectors? Are you dreaming of upgrading to our 2150cc or 1100 high-z injectors? If you want to know just how much power you can make with what you’ve got (or what you’d like to have) it’s as easy as plugging a few details into our horsepower calculator below: i agree 60lber's would be a little overkill. If you want to find out exactly what size you need, do a google search for injector size calculator. Then we have 8 cylinders times 0. 50 lb/hr/HP or 325 lb/hr of fuel needed for the engine. 000354 160 hp cpl 1863, (actually a 180) 5x9. 25 . To use the Fuel Injector Horsepower tool to select the correct size injector for your engine, fill out the above form with the Fuel Injector Clinic's Flow Rate calculator. 5 Example: You have injectors that flow 60 lb/hr at 43. F. Simply enter your goal crank horsepower goal, the number of injectors (cylinders) your engine has, the correct number based on aspiration of your engine, and goal PSI at the rail. It includes these features: Estimate injector requirements from as few a 3 inputs (HP and Number of Cylinders, using the program's easy default settings) or as many as 14 inputs with great detail. You can use this page to properly determine what size injectors are needed for various applications. How do you calculate the right size for your fuel injector?Fuel injectors play a crucial role in delivering the precise amount of fuel to an engine's combust Apr 2, 2018 · Target flywheel HP x . You need to calculate for 58psi. The fuel supply rail bungs for the top of the injectors are the same size. Follow these easy steps to choose the right size fuel injectors for your motor. 535" inside diameter [about 17/32" or 13. Fuel Flow Calculator The industry standard for fuel pressure when determining the flow size of an injector is 43. Online calculators are a convenient and versatile tool for performing complex mathematical calculations without the need for physical calculators or specialized software. Engine. Enter a injector size and we can give the max horsepower supported for the entered injector size. It'll have you input your HP, rail pressure, and a number based on whether your NA,SC or Turbo. 3735 if naturally aspirated, 0. 000318 180 hp 5x9. 5 psi. a larger injector will merely SUPPORT more horsepower. Calc new flow when fuel pressure change. Typical injector limits for duty cycle is 80-85%. 000354 215 hp - 5x10. Fuel Injector Size Calculator. FuelTech offers a Fuel Injector Calculator to assist racers and builders select the proper fuel injector sizing. Allows calculations for NA, super charge and turbo engines using various fuels. All you need to know is that the rough calculation is: New Flow = Old Flow • (New Pressure / Old Pressure) ^ 0. 85 duty cycle equals 6. 498 if supercharged), which gives you the required flow rate in liters per hour. Convert lbs/hr to cc/min to g/s hp tuners 0525; hp tuners 0540; hp tuners 0650; hp tuners 0660; hp tuners 0660sp; hp tuners 0775; hp tuners 0850; hp tuners 1000; hp tuners 1000 short; hp tuners 1200; hp tuners 1200d; hp tuners 1440; hp tuners 1650; hp tuners 2150 Jul 11, 2012 · Step 4: Calculate Your Optimum Injector Size 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. 8) duty Fuel Injector Calculators; Fuel Injector Calculators. 47 = 62lb Injector *Note that this is not THE absolute number, but rather a GUIDE to help you determine the size of the injector. An injector this size can also provide an accurate amount of fuel at low rpm. Engine Horse Power(1): BSFC(2): This formula calculates the maximum horsepower that fuel injectors in proper working order can Use the fuel injector flow rate calculator to calculate flow rate, pressure and horsepower for gasoline, race gas and e85 (ethanol) with a base fuel pressure of 3 Bar (43. View Profile View Forum Posts Private Message Sep 12, 2024 · The Boost ↔️ HP Calculator is a specialized tool used by automotive enthusiasts and engineers to estimate the relationship between boost pressure and engine horsepower (HP). Injector Flow Rate * √ (New Pressure / Old Pressure) I don't bother using calculators or spreadsheets I just do it by hand because I know how to do it. of fuel per injector at an 80% (0. The result is a far more accurate estimation, which allows you to pick the right injector the first time. Check with your injector builder on where he thinks the maximum duty cycle is for you specific injectors. 000452 Aug 31, 2024 · Injector Size to HP Calculator_f75abd57 August 31, 2024 Injector Size to HP Calculator_f75abd57. 8 and get 47. Do you have our 1000cc high-z injectors? How about our 1120cc low-z injectors? Are you dreaming of upgrading to our 2150cc or 1100 high-z injectors? Let’s say that in the Injector size selection guide size calculator, you came up with a size of 42lb injector needed to reach your HP goals. 55 for naturally aspirated engines - BSFC = 0. This guideline can help in determining what injector size to use. Higher duty cycle and your injectors can overheat, flutter, and all sorts of other nasty things. Step One: Determine the Target Horsepower. 0 EA888 evo4 up to 265 hp 2. Join in Our Mailing List. 79 lb/hr as our required injector size to feed 650 horsepower, naturally aspirated on gasoline. 1/4 mile to 1/8 mile. Select either your horsepower rating or your injector size. Receive our Using fuel injectors that are too large will result in sluggish acceleration. icep nux vza xtghuf wlx sajolez qxg bnouk sdgdy ltbbdc