Blower boost calculator. 7L LT4 supercharger with our precise boost calculator.

Blower boost calculator 4 supercharger? "Our Ultimate Goal is Your Success"Good Vibrations has Been Empowering Racers Since 1989 A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. Feb 11, 2018 · LT4 pulley combinations reference guide blower swap CTS V, Camaro ZL1, C7 Corvette Z06 Eaton supercharger 1. Supercharging Basics – Supercharger Drive Ratios Boost itself is a direct result of three factors: engine size, blower size, and the speed the blower is driven in relation to the engine speed. the engine RPM in the third column, upper pulley size in the 4th, crank pulley size in the 5th, idler options in the 6th and 7th column, and estimated boost pressure with proper supporting mods in the 8th column. Typical equations are provided for both Roots and Sutorbilt. Supercharger Boost Calculator ~ Input the Blower Belt Ratio, Engine Volumetric Efficiency Percentage, the Blower Volumetric Efficiency Percentage, the Engine Displacement, Blower Displacement and the Barometric Pressure and the Supercharger Boost Calculator will give you the Blower Boost. Home > Tech Info > Technical ChartsTechnical Charts To see what the effect of boost pressure and altitude is on your static compression ratio, s imply enter the three variables and the calculator will display the results in a new pop-up window. 5 15. 0 18. 0 30 A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. A bigger blower driven at the same speed as a smaller blower will produce more boost. 57 pulley, or how I can calculate it for a 2. It will help you choose the correct turbo for your Jan 24, 2015 · Centrifugal blowers such as this procharger setup come on stronger with increased RPM and compressor speed. 6:1 - 53 Sep 3, 2024 · The Blower RPM Calculator is a tool used to determine the revolutions per minute (RPM) of a blower in a mechanical system. 9 for the blower is probably in the ball park, too, but of course will vary depending on which blower you have, blower rpm, and pressure ratio. 8L engine 3. That gives the LSA Supercharged Engine a 2. ). Supercharger boost, however The Blower Shop™ Charts Boost Chart 8MM Pulley Chart 1/2″ Pitch Pulley Chart 16 Rib Pulley Chart Blower Pulley Belt Chart 192 / 250 Belt and Pulley Chart 192/250 8mm Blower Boost Chart Effective Compression Ratio Chart & CFM Formula The Blower Shop™ Reference B&M / Holley Blower Gasket Dimensions The Blower Shop™ Diagrams & Specifications Automotive Calculators Calculators of all types for automotive and racing use. Apr 16, 2012 · General Q & A - b&m 250 boost chart - Anyone have boost chart with pulley ratio for b&m 250 marine blower kit? Mar 1, 2023 · With a 38 jackshaft and 32 blower cog, you get 21137. 3L LS9 supercharger? Use the following boost calculator/estimator as a rough guide to see how to right-size your boost for your desired power level. 3 35 26. ((Super Charger Disp/(1/2 Engine Displacement)) * Ratio * 14. These equations are presented below in the calculation order that is most logical. 5" Pulley on Eaton M62 Supercharger 1 Liter Capac Running Boost from a blower, turbo or other device, then you will want to try the Effective Compression Ratio calculator. This calculator needs your engine capacity & your desired boost pressure in PSI at your desired RPM. Oct 20, 2023 · Supercharger Pulley Boost Calculator is a valuable mechanical tool used to calculate the boost pressure accurately. Find the ideal boost level for your desired power output using this handy tool. 1. The RPM of a blower directly affects the airflow rate and efficiency of the system. -Step 2, you enter the slope and intercept values from the best-fit equation into the table calculator Calculate boost levels for Roots or Twin Screw superchargers with Jon Bond Performance's handy calculator tool. Open DiscussionAll times are GMT -7. 5 psi boost at 3,000 rpm. 75 pulley vs a 3. 2 20. 7)), this boost to hp calculator is created to estimate the increase in horsepower (HP) based on the amount of boost pressure applied to an engine Boost to HP Calculator Boost (psi) Efficiency Factor HP Increase Total HP 2 0. Blower Drive Ratio Charts Horsepower Gain From Additional Blower Pressure, Palm Springs, Cathedral City, Palm Desert, La Quinta, Desert Hot Springs, Indio, Thermal, Thousand Palms, Rancho A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. The Roots blower is the simplest of all blowers and therefore is also the least expensive. Enter your Rear Wheel HP and Blower Boost of your car Estimate horsepower output from any engine type (4-stroke, 2-stroke, any fuel type, turbo, blower, Wankel, etc. Apr 19, 2017 · Hi Guys, Given my recent dealings with the only 3 partial sources I could find for calculating boost and Supercharger RPM, I thought it'd be a good idea to have a Pulley calculator instead of having to resort to un-interactive tables. It is to be used as a guideline in determining the proper maximum boost level for a specific application. Home Page Company Info Product Info/Warranty Prices T-Shirts Engine Recommendations New Products Customer's Photos Gary Dyer's Photos Current Specials Installation Instructions Pulley & Boost Charts Troubleshooting Frequently Asked Questions E-Mail & Technical Help Internet Links Send Email to Dyer's Blowers Blower Pulley Ratio and Boost Charts Wallace Racing BACK to Calculators Todays date is 11/28/2025 These equations are for recreation only. We also have a oil system volume calculator to help you fill and prime your Rotrex supercharger system correctly. Learn how to optimize performance and increase horsepower with the right pulley size. Aug 20, 2023 · Definition A pulley size boost calculator is a specialized tool used by auto technicians and enthusiasts to determine the appropriate pulley size required to achieve a specific boost level in a supercharger. Sep 21, 2004 · Here is a simple boost calulation for Superchargers, This does not allow for other losses. The 2. By accurately Apr 9, 2006 · Is there a formula to figure out how much boost a blower will build by blower size the amount of overdrive and engine displacement ? The engine is a 8MM PULLEY - DRIVE RATIO CHARTTOP PULLEY B Sep 10, 2025 · Boost to HP Calculator Horsepower Quarter Mile Calculator Hydraulic Motor Flow Calculator Engine Intake Diameter Calculator CFM To HP Formula The following formula is used to estimate or convert CFM to HP. Click here to see how our superchargers compare to each other. As we told you in Blower Basics (Part 1), boost is the amount of air pressure created by your supercharger and is the result of a combination of factors: engine displacement, blower displacement, and blower drive speed. Blower & Fan generate pressure to move Air (or Gases) for ventilation and industrial process requirements. From cutting-edge centrifugal superchargers for cars and trucks to marine, industrial, and aeronautical applications, Vortech combines innovation, efficiency, and reliability. A proper amount of boost is good—very good. RBS offers a trade in program on all blowers / superchargers. 1 Balancer - not sure of the diameter 3. Here are some Aug 5, 2024 · The boost to compression ratio is a relationship between the boost pressure provided by a turbocharger or supercharger and the engine’s compression ratio. Oct 12, 2024 · Blower Power Calculation Formulas 12 Oct 2024 Tags: Mechanical Engineering Turbomachines Fluid Machinery Blower design calculation Popularity: ⭐⭐⭐ Blower Power Calculation This calculator provides the calculation of power required by a blower for a given flow rate, pressure difference, fluid density, and blower efficiency. 0 pulley on a Kong 2650 on my LSX 388 with a 112MM TB and IW 10% OD Crank Pulley? Not sure if any other info is needed - lmk, Thanks. 3 19. Enter your Rear Wheel HP and Blower Boost of your car Optimize your supercharger setup with our pulley ratio calculator - instantly estimate boost levels, RPM limits, and performance gains for your build! Use our boost horsepower calculator to determine how much power can a supercharger add to your naturally aspirated engine. The Formula can be applied to other setups and superchargers as well… What is the purpose of this calculator? This calculator helps determine the air flow (CFM) through a centrifugal blower based on the suction opening diameter and air velocity, useful in industrial applications like air handling units and boiler fans. A Roots blower does not compress the air inside the supercharger. Measurements for the 192 and 250 Billet TBS Blowers HOW MUCH OIL SHOULD I PUT IN MY SUPERCHARGER GEAR CASE ? Some Q and A about boost and pump gas vs E-85 and methanol Information About Boost and Various Blower Designs Behavior Blower Bottom Openings for Race Blowers Belt Length, Using Center to Center Crank to Blower to Determine 8MM Drive Blower Size Calculator: Find the Right HVAC Blower Calculate the appropriate blower size for your HVAC system by entering your space requirements below. **Important Considerations** * Don't push the stock LSA blower beyond 23,000 RPM or use an overdrive level of more than 35%. HP_Boosted = HP_NA × (1 + (Boost_PSI / 14. This tool offers a rough guideline for how to optimize your boost according to your desired power level. VS the 400. Since the increase in engine torque over the unblown engine is relative to the boost, the roots blown engine will have a major advantage in torque and acceleration between 2,000 and 5,000 rpm. Here are the stock sizes for the components so when you see "stock" in the table cell it'll be clear what it means: RCD Engineering calculators provide tools and resources you need for your next project. Jan 1, 2024 · Does anyone have the chart or math that shows how much boost is expected with a 2. If you have a map for your supercharger, you can probably get a better estimate off of that. Nov 1, 2017 · You can see the effective blower ratio in the first column, the % of increase over stock in the second column, the RPM of the blower vs. 6 6 To compensate for altitude when computing desired "effective compression ratio" use the following equation: Jun 6, 2023 · BOOST your Mustang's performance with our handy boost calculator! Understand how altering your upper and lower pulleys impacts boost levels on your 2. I wasn't able to find one using the search on this forum or By using these calculators below and some simple inputs, it will allow you to know exactly how fast the supercharger impeller is spinning and where you are at compared to the redline rpm of the supercharger head unit. Horsepower gain from an additional blower is a crucial consideration for automotive enthusiasts looking to increase the performance of their vehicles. Headunit - Step Up Ratio - Max Supercharger RPM Paxton 2200SL - 3. Input Boost Added: Enter the amount of boost you expect from a turbocharger or supercharger, typically measured in psi (pounds per square inch). Wallace Racing BACK to Calculators Todays date is 11/23/2025 These equations are for recreation only. The compression of the inlet charge (creation of boost) actually takes place in the cylinders and the manifold. May 21, 2023 · Discover the impact of modifying your LSA supercharger's upper and lower pulleys on boost levels with our convenient calculator. Sep 19, 2015 · The 9lbs of boost is achieved using a 7. I know it can't be that tough, but i'm struggling. One important thing to keep in mind with respect to Weiand roots superchargers is that throughout the rpm range, the air ratio of the supercharger is consistent with the engine displacement. 7 47. With the 38/30 setup, you get 22546 RPM, with the same boost/blower speed as the original setup at only 5131 RPM on the 38/30 motor. Use our guide to fine-tune your ride's power level. Keep in mind, results are approximate and tuning is necessary for optimal performance. This calculator helps determine the correct CFM (Cubic Feet per Minute) capacity needed. We used our jetting calculator, ProCalc, for setting up our fuel system based on the size of the blower and the amount of fuel going through the jetting. Supercharger boost is largely misunderstood, even by some experienced performance enthusiasts. Aug 30, 2007 · Carburetion, Induction, Nitrous - how to determine blower gear drive ratio? - engine is a 355 smallblock chevy 9:1 compression im assuming that the blower needs to be under driven or a 1 to 1 ratio how do i calculate to get the proper cog gears? The centrifugal blower will have 10 psi boost at 6,000 engine rpm, about 7 psi boost at 5,000 rpm, 4 psi at 4,000 rpm and 2. A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. 3 14. 8" crank pulley and a 2. Here are my current specs: 6. The table below shows various pulley options, along with their corresponding boost levels and spin rates. 6 pulley ratio on the supercharger. Mar 8, 2008 · VEsc of 0. Not a substitude for actual testing. Jul 7, 2016 · How do you do it? -Step 1, you enter your max RPM, current blower size, and at minimum 2, but preferably 3 data points of pulley combo & observed boost levels into the chart calculator. May 21, 2023 · Curious about what changing your upper and lower pulleys will do to your boost levels on your 2. This calculation is essential in various industrial applications where blowers are used for ventilation, cooling, heating, or any other process requiring air movement. 65L GT500 Mustang supercharger. Get precise CFM, static pressure, and power requirements. 4 14. Enter the engine's displacement, Volumetric Efficiency, and its redline. 5" front pulley you would get 20935 blower RPM. 6 10. 6 16. 11/25/2025 03:02:47 AM Back to Calculators Index Carb CFM Calculator Required Intake CFM This calculator will help you determine your engine's intake CFM requirements. 5" Pulley on Eaton M62 Supercharger 1 Liter Capacity 2. 6 12. Explanation Calculation Example: The power required by a blower Explaining Boost Boost is the amount of air pressure created by the supercharger. May 8, 2022 · It will make more boost if the 283 itself processes less air in and out at x rpm. During the week you simply swap back to the larger pulley for daily driving. Estimating boost and power from different size pulleys on the Eaton M90 & M112 superchargers on the 1UZ-FE. Oct 3, 2024 · Boost refers to the increase in air pressure provided by a supercharger or turbocharger to an engine. 2 16. 0 222 5 0. Use our free boost to horsepower calculator to estimate power gains for your turbo or supercharged engine. 4L Hellcat supercharger, the following boost calculator/estimator might be useful. Determine the optimal fan size for your ventilation needs with our advanced calculator. 4 13. May 25, 2023 · Discover how Griptec supercharger pulley sizes affect boost levels in LSA, LS9, LT4, and LT5 engines. 6:1 - 60,000rpm Vortech V2 - 3. Swapping to a smaller pulley on the blower can raise the boost for a little weekend warrior activity. Choosing the right pulley size requires a bit of math – if you’re not into that, here’s some handy calculators. With the 32/38 and the 3. 95" blower pulley. Jan 31, 2010 · I've seen a few calculators for the roots/twinscrew guys, but nothing for us centri guys. Centrifugal Blower Pulley OD/UD Calculator, blower overdrive calculator, blower underdrive calculator, pulley calculator Compression Ratio This chart shows the final compression ratio by combining the static compression ratio of an engine and the maximum blower boost from the blower system. The time now is . 7L LT4 supercharger with our precise boost calculator. It outputs the pressure ratio, lbs/min and CFM numbers which can then be plotted onto turbo compressor maps. 5 11. Boost is a measure of backpressure in the intake. This tutorial aims to provide an understanding of horsepower gain and the associated calculations when adding an extra blower. May 21, 2023 · Maximize the potential of your 1. Stage I - 2 Blowers 35 14. 6 35 26. VE is affected by intake type, camshaft grind and type, boost, and many other factors. Want to know how much horsepower your engine makes? The Built Bottom End Performance horsepower calculator will calculate your engine's wheel (whp) and crank (chp) horsepower using proven mathematical functions based on real-world examples. 7 = Boost Pressure 3. This relationship is crucial in determining the effective compression ratio, which affects the engine’s performance, efficiency, and potential for detonation. Boost with confidence and take your ride to new heights! Vortech, a leader in high-performance air management solutions since 1990. It explores the formulas used, real-life applications, key individuals in the discipline, and interesting facts about Compression Ratio This chart shows the final compression ratio by combining the static compression ratio of an engine and the maximum blower boost from the blower system. 6 35 22. It is actually an air pump. Blower Size Calculator: Find the Right HVAC Blower Calculate the appropriate blower size for your HVAC system by entering your space requirements below. Check out our online interactive calculators before you start building. Optimize performance and unlock the true capabilities of your LT4 engine. 1 20. It is primarily tuned to work with GM's LS/Vortec platform but will still give a good approximation of the horsepower and drivetrain loss of whatever mill May 23, 2023 · Apply the following boost calculator/estimator as a preliminary guide to understand how to adjust your boost to match your preferred power level. A FREE calculator that determines the Supercharger boost based on Displacements, Belt Ratio and Efficiencies. The calculator will tell you the CFM range you need. It's likely more fun then useful! Jul 10, 2009 · Was wondering if there is a calculator or an equation that i can use to figure out boost or blower rpm at a given engine rpm? May 22, 2023 · If you're intrigued by the impact of altering your upper and lower pulleys on your 2. indd Oct 6, 2016 · The centrifugal blower will have 10 psi boost at 6,000 engine rpm, about 7 psi boost at 5,000 rpm, 4 psi at 4,000 rpm and 2. Feb 15, 2013 · In the case of boost, the answer is a resounding yes. 6:1 - 53,000rpm Paxton 2200 - 3. Achieve your desired power by finding the perfect boost size. (Courtesy ATI ) Sep 19, 2025 · Enter the flow rate, blower speed, and blower diameter into the calculator to determine the missing variable. Get instant results! Race Calculators 1/4 Mile ET / MPH Calculator Use your power and weight to calculate your ET and MPH Supercharger RPM Calculator Use this to calculate the RPM at which your supercharger headunit is spinning. Nov 5, 2022 · C6 Forced Induction/Nitrous - Kong 2650 pulley size vs psi - Does anyone know what boost level I would see with a 2. This web application calculate power required for air flow and also determine performance for different fan speed and diameter based on Affinity Laws. 6" Vortech Pulley May 21, 2023 · If you're curious how the upper and lower pulley choices affect boost levels check out our LSA blower boost calculator. If you have any questions about using this calculator please reach out to us via phone or email. From maximum speed to maximum boost we have it all laid out for you at Vortech Superchargers. 9 35 24. 4 19. Oct 16, 2015 · Here I will try to show the calculations and formulas used to get an rough estimation of expected boost from an Supercharger. 6 17. This calculator combines physics and mathematics to offer precise results, assisting in fine-tuning engine performance. Sep 6, 2018 · Calculating boost pressures. 5" front pulley you get 18594 RPM With a 38/30 on a 3. For instance, if you are adding 6 psi of boost, input this value. * Avoid using an idler smaller than 50mm, as it may put excessive stress on the bearings. 7L TVS 1740 mod modification, fuel injectors, hx tank, heat exchanger, info, spreadsheet, tested testing, best results, belt list industry experts, porting, ported, meth, e85 flex fuel, by WEAPON-X Motorsports Jun 9, 2020 · Is there a chart/calculator where you change blower pulley size and crank pulley size for blower rpm? Vortech had one and you could see by going to a bigger lower and bigger upper you could run the same blower speed then just using a smaller upper As an example, if you ran just a 2. 4 35 29. 3 13. We de-rated the blower with a blower efficiency entry provision in the calculator. Dec 8, 2017 · It will have a lower boost level with less leakage. Anyone have a calculation that helps drive boost calculations. If engine B consumes less air than engine A does The blower boost will be higher on engine B at the same blower drive ratio and engine rpm. 8 22. 9 24. Sep 2, 2010 · Here is an interesting and useful calculator to determine boost targets based on engine size, blower size, pulley size, etc Jul 3, 2004 · General Q & A - blower pulley size charts - using 8-71 weiand ; need to know the psi's what size pulleys do i have to use to receive 6 and 8 psi? top? bottom? any www showing charts about pulley size? 8mm bb thnx Oct 1, 2025 · This turbo size calculator gives the numbers you need to analyse turbo compressor maps so you can find a good turbo for your engine. 7L TVS 1740 mod modification, fuel injectors, hx tank, heat exchanger, info, spreadsheet, tested testing, best results, belt list industry experts, porting, ported, meth, e85 flex fuel, by WEAPON-X Motorsports Boost Horsepower Calculator Estimate the horsepower gain from adding a turbocharger or supercharger to an engine. 4 22. RBS Superchargers is a professional supercharger building and repair service that stocks new and used parts, blower kits and accessories. 6 247. 5 RPM. A look at Pulley suppliers and specialised pulley pullers! Mar 8, 2008 · VEsc of 0. 5 upper The calculator will calculate the weight of air from the blower size as 692 cubic inches per engine revolution for necessary jetting to reach the air-fuel ratio. 65L LT5 supercharger comes standard in the 2019 C7 Corvette ZR1 and is an absolute beast! "Our Ultimate Goal is Your Success"Good Vibrations has Been Empowering Racers Since 1989 6V-71 & 6-71 SMALL DIAMETER BLOWER 6-71 LARGE DIAMETER BLOWER Enter your Rear Wheel HP and Blower Boost of your car HP: Boost: Performance calculations for rotary positive displacement blowers require the use of several equations. . Dyno Correction Factor Calculator Weather Correction Calcs Barometer Correction Calcs Air Density Index Calcs Calculate Engine Performance Coefficient Other Calculators Free Fall Calculator Octane Mix Calculator Mortgage Refinance Loan Calculator Finance Loan Calculator Bi-Weekly Mortgage Loan Calculator RV Loan Calculator World of Warcraft LSA Pulley Sheet v1. 7) - 14. This augmentation in pressure allows the engine to take in more air, thereby temporarily increasing its horsepower and overall performance. 8 16. kifzjkm gmywov aiqobqhi xsm rggbd wpdkber kurje bmm inwbxs jdpsl fjak crepkkidw gobnb ane kterqw