Gear ratio calculator drag. Drag the floating panels around if they get in your way.
Gear ratio calculator drag. Calculators to find 1/8 mile ET and MPH.
Gear ratio calculator drag 65 gives the ratios (3. A. This gear calculator will provide expected (theoretical) speed at certain RPM through all gears. there are so many ratio options available compared to other lightweight low drag 3 speeds . 22, 1. Drag Max RPM slider to adjust the range of the RPM and Speedometer Gauges. It helped me to determine a tire size I could find that allowed me to lose 1 gear going through the lights in the 1\8 mile dragstrip. 47, 1. Tire Diameter (in) RPM: Speed at RPM (mph) Final Rear Gear Ratio . Enter the required information into the boxes and click calculate! Tip! If you have your gear and the current rpm reading, you can get really close to the combination you would like here! RPM that you would like to turn: Input you Current and Wanted RPM and Gear Ratio please Back to Calculators. 5: 3. Save yourself the headache and let us figure out your ring-and-pinion gear ratio! DRAG PERFORMANCE CALCULATOR. 73 gear ratio effective for drag racing? Yes, a 3. #104 Edgewood, WA 98371 (253) 446-5039 2908 Meridian Ave. 01 second From DA NEW; Calculate MPH Between Mile Posts NEW ; CID - Engine Calculators; RPM/MPH From Gear Ratio Calculator; Speedo Gear Calculator; Tire Height and Width Calculator; Converter Slip Calculator; Brake Master Cyl Calculator ; Calculators & Tools. The 22S No Prep Drag Car transmission ratio is 2. gear ratio and top speed calculations. Input your stock and new tires sizes along with your original gear ratio. Enter MPH: Use the Gear Ratio Speed Calculator to determine which is the case for your particular scenario. Setting A to 3. experience in the Differential Industry and full involvement in all forms of motorsport from V8 SUPERCAR To Group 1 Drag Racing. 59 ratio – Note that gears are generally discussed with mentioning the top gear first like “Twenty. Estimate HP can give you an idea of your maximum power based on your 1/4 ET or trap MPH. Step 1 - Enter the following. Please fill in tyre dimension, transmission gear ratios and wanted final drive (differential gear ratio) to see what speed you can expect. X 5280 (feet per mile) X axle gear ratio X transmission gear ratio pi (3. Has a 406 small block edelbrock performer aluminum heads stock out of box,12. The final selection of a gear ratio is dependent on many factors and is by nature a compromise in trying to achieve the best possible performance. Then it’s possible you could select a differential ratio that would place a single transmission gear ratio—no matter which one—to cover that range. Welcome to TEN Factory – the source for performance axle shafts, axle kits and components that you can trust today and in to the future. 1101 W The use of a calculator or gear ratio formula will help you to figure out how to calculate gear ratio and which ring and pinion to use. For fifth gear it equals 3. 24 gear might be more suitable for road use, fuel economy, and driveline rpm. Explore the gearing calculator for Classic Mini to optimize your vehicle's performance and find the perfect gear ratios for your needs. 1/4 Mile Performance: Horse Power: Gear Ratio: Rearend Ratio: Compression Ratio: Reaction Time: Free & Fun Stuff. Access Gear Ratio Calculator. 56) RPM (ex. 00 and B to -0. Practical Exercise. Print. Gear Ratio: Torque Converter Slip (%) % Speed: MPH: KPH : Tire Size Calculator. 00 axle teeth 27 best speed 3. 4/27/2025 08:10:04 AM PONTIAC POWER RULES ! ! ! Calculate RPM - Gear Ratio Wallace Racing BACK to Calculators. Calculators designed for the auto enthusiast. Click on Calculate. Some racing automatics, the torque converter has an effect on the ratio. Desired shift RPM: First gear ratio: Four Speed : Five Speed : Six Speed w/OD: Optimum 2nd Gear Ratio: Optimum 2nd Gear Ratio: Optimum 2nd Gear Ratio: Optimum 3rd Gear Ratio: Optimum 3rd Gear Ratio: Optimum 3rd Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Max rpm: Enter your maximum engine rpm limit; Final Ratio: Enter your final drive ratio; Gear Ratio: Enter the gear ratio for each gear Mark Williams Enterprises is an industry leading manufacturer of drag race axles, drive shafts, brakes, modular rears, rear end housings, thirdmembers, and chassis components. This sheet uses drop down menus linked to lists of all the currently available Hewland gear ratios by gearbox type. Professor Motor is a Saline Michigan U. Click "Calculate" to find your new effective gear ratio and the gear ratio needed to return your vehicle back to stock gearing. Torque Converter Stall; Circle Track; XTM and XFM Series; HD / Street & Strip; Performance; Full Race; The Billet Generation; 10″ – 12″ Hybrid Access Drag Performance Calculator. Footer. Also, it depends on the specific vehicle and track conditions. 14159265) X tire diameter X 60 (minutes per hour) PLEASE READ THE IMPORTANT DISCLOSURES BELOW. The ratio of a ring and pinion gear set is the number of ring gear teeth divided by the number of pinion gear teeth. Enter your car's internal drive ratio to see the final drive ratio (FDR), and see the percentage change in This calculator outputs the how fast a car can go in each gear as calculated by the gear ratios, engine redline and tire size. ) in Inches : 1/4 Mile ET: 1/4 Mile Top End Order a gear ratio calculator for your toolbox! Part Number CAL. For example a 265 To determine a vehicles speed from the engine speed by multiplying the circumference of the tire by the engine speed and dividing by the combined gear ratio. 86 gears is great for the drag strip, but not so great for hitting the Hot Rod Power Tour for example, where a 3. Traditional rear axle assemblies use a fitted ring and pinion gear ratio that many consider a compromise, especially for dual purpose vehicles. As a result, you won’t have a shift point right in the middle of a straight. 73 gear ratio can be effective for drag racing. Use the results on our RPM Calculator to determine estimated vehicle performance. RPM-6th Gear Help on: Top speed for 49 sprocket combinations; Adjust RPM & Gear Help on: Change RPM and Gear in sprocket combinations matrix; Resulting RPM. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Enter Shift at RPM, select gear to shift to and hit Shift and Trace to run up through the gears recording shift point RPM and km/h - mph. 00, 1. Spur Gear ÷ Pinion Gear = Gear Ratio. Enter the maximum potential safe engine RPM. 94) which, with a FD gear of 3. no need to enter anything in '6th' gear for a car with only 5 speeds). Best for drag racing requiring quick acceleration: 3. Gear ratios are crucial in determining the performance Enter the tire size diameter and the target vehicle speed in MPH. 73:1, and some may think this would be a huge loss of e. Then, change Richmond's performance gear ratios and beat your best time! Access Drag Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. The Professor Motor INC company practices green eco-friendly electronics manufacturing and environmentally friendly general business practices supporting the local Find setups and setup tips for the DR10 from Team Associated from racers around the world. When optimizing a car for 1/8 mile drag racing, choosing the right gear ratio is crucial for achieving the best acceleration and overall performance. Step-by-step guide & spreadsheet. ET - HP Calculators; Convert ET To Today's Condition; 1/4 Mile Stats Calculator Guide to choosing the best gear ratios for your racing car (and then how to optimise them for any race track). Gear Ratio and RPM Calculator: Instructions: Use this calculator to estimate various aspects of your performance. P. With a higher stall converter, the ratio can be smaller, making a rear gear able to be a higher gear for more top end. Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you’ll get the right ratio without the guesswork. Calculate Speed(MPH Km/H) for given RPM, Rear Gear Ratio and Trans Gear Ratio Wallace Racing - Calculate Speed for given RPM, Rear Gear Ratio and Trans Gear Ratio 4/29/2025 07:29:06 AM This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. In order to get a realistic value, use: Your finish line MPH (from ET slip) Your finish line RPM; Your Transmission Gear Ratio at Finish Line; Your ring and pinion (gear size) Your circumference or roll out of the rear tires (not The Quarter Pro dragstrip simulation program is a great way to evaluate changes like this. v c = (c t x v e) / (gr t x gr d) Where: d = distance c t = Circumference of tire gr t = Gear ratio transmission gr d = Gear ratio differential v e = Engine speed v c = Vehicle speed We'll utilize an 1/8-mile drag raced combination with a MPH goal of 150 MPH, an RPM ceiling of 8,000 RPM at the finish line, a tire height of 28-inches, & a high gear ratio of 1. Calculate 1/8th Mile Stats: Vehicle Weight (in pounds): Vehicle Horsepower: RPM through lights: Tire Diameter (Height) in Inches: Input I did some math over the w/e to get my head into gear ratios and discovered that almost all ‘good’ sets of ratios conform to a power series of the form: = A* ^(B) A is the first gear ratio. Gear Ratio × Transmission Ratio = Final Drive Ratio Gear Ratio: 62 different ratio's to choose from Engagement: Sequential Gear Material: X36C Retail Price: $18,120 Contact: Xtrac - Transmission Technology Company: G-Force Transmissions GT-50 drag transmission Gear Ratio: 64 ratios to choose from Engangement: Variable Access Drag Performance Calculator. 60 gear. Calculate GEAR, RPM, MPH, TIRE DIAMETER: Wallace Racing BACK to Calculators Todays date is 4/29/2025: This calculator is for entertainment value only. Search. 13 This would imply a gear change to 8/26 - seems ok. Instructions; Go. The defaults show suggested values. This calculator is used to find the approximate maximum speed of your brushless-powered R/C vehicle. Calculators. t Photos From Previously Drag Racing; For Sale. High Range-Low Range-Low 2 Range-Step 3: Select underdrive. However, the ideal gear ratio for drifting depends on factors like vehicle power, tire grip, and drift course layout. This guide is perfect, check it out here Gear Ratios Guide. To find the ideal gear ratio for cruising use your RPM at Calculate 1/8 mile ET,MPH and Ideal Gear Ratio using HP - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! It determines how many times the output gear (driven gear) turns for each turn of the input gear (drive gear). #104 Edgewood, WA 98371 (253) 446-5039 This calculator will get you back to a ratio that's closer to your original. Motive Gear offers aftermarket ring & pinion gearsets, differential bearing kits, a complete line of transmission and transfer case parts, as well as This calculator outputs the how fast a car can go in each gear as calculated by the gear ratios, engine redline and tire size. Near the right side of the spreadsheet in green is the calculated resultant gear ratio based on gear ratio multiplied times the final drive. Use the Drag Performance Calculator to calculate Calculate GEAR, RPM, MPH, TIRE DIAMETER. Ring & Pinion Ratios. Having 4. This ratio chart is sorted in Pacific Slot Car Raceways 2908 Meridian Ave. 11 's on a budget: Calculations to determine the ET assume the vehicle is not traction limited i. Authorized-Resellers. Add Car - Gear Ratios Calculator Back to the Gear Ratio Calculator. Transmissions, Engines and Parts; Parts of Top Fuel and Funny Car Racing; Gear Calc. 19 m/s track length 25 m average rpm 8798. Essentially, what it equals in first gear is 15. Use this gear ratio calculator to see what ring & pinion gear ratio will be right for you after a tire size change. High Range-Low Range-Step 4: Enter axle gear ratio. Optimize your drag racing setup based on engine power, vehicle weight, tire size, and transmission type. The Engine Shop Farks Supercars 718 594 3003 best lap 7. If you like this calculator use the Google +1 button: Gear Shift Drop Calculator: RPM: RPM: Rear Gear Ratio : Tire Diameter: Inches: Gears in Tranny: (3 Speed or 4 Speed, etc. Gear Ratio Calculator. See my Free Android Drag Racing Calculator App in the Google Play Store I've used your gearing calculator to help determine shift points, if changing rear gear ratio would help and also played around with tire size. You can find all of these tools here! calculator, drag, performance, Racing, ratios, Richmond Gear, street, tools. so that gear ratio is completely useless for drag or street racing, although Enter gear ratios, primary ratio, sprocket sizes and tire diameter, then drag RPM slider to calculate speed from RPM. Toll Free: 1-866-508-6394 The M-W gear ratio calculator can also provide a vehicle’s speed for any given tire size/gear ratio/RPM combination. New Feature. Differential Gear Ratio Calculator; Engine RPM Calculator; Ring Gear — Pinion Gear Ratio Calculator ; Speed Potential Calculator for Ring Gear and Pinion Changes; MPH — KM/H or KM/H — MPH Converter; Tech Info Gear Ratio Calculator. 5000) Home; Converters. For example for a 12 tooth pinion with a 37 tooth spur and a tire size of . Use the Gear Ratio Speed Calculator to determine which is the case To correctly gear a vehicle for drag racing, the final drive ratio (axle ratio) must be selected first, before choosing a torque converter, transmission, or transmission ratios. S. Drag the floating panels around if they get in your way. 21 revolutions of the engine for one revolution of the front tire. 49 revolutions of the engine for one revolution of the front tire. 16:1 which means 4/29/2025 08:26 AM PONTIAC POWER RULES ! ! ! Calculate Rear Gear Ratio for given MPH, RPM and Trans Gear Ratio Wallace Racing BACK to Calculators Calculate Rear End Gear Ratio: Enter the tire diameter in inches, the rpm’s of the engine at entered speed as indicated by your speedometer in mph. 49 rpm Houseman Autosport 6564 Decker Drive London, Ontario, CANADA N6P 1J5. Rear End Ratio @ Desired MPH: Tire Diameter (Height) in Inches: Over Drive Ratio (1 for no OD) RPM at Given MPH : Known RPM @ Known MPH: Tire Diameter (Height) in Inches : Estimated Rear End Ratio Simply select a vehicle, and it will prefill the fields in the calculator (Optional) Speed: Choose between mph or km/h; Tyre Size: Enter your tyre size or Outer Diameter (inches). To determine how fast I can go at my 6,400 RPM limit with 28" tall tires, I can do some simple math to calculate it with any gear ratio. The Aston Martin V8 Vantage 6-speed gear ratios for cars below 1000HP work beautifully and so do the Aston Martin V12 Vantage 7-speed gear ratios for cars over 1000HP, just make sure Try our gear ratio and rollout calculator to find the right pinion and spur for your car, whether it's Team Associated, Tamiya, Traxxas, or any other make. com Calculate the theoretical speed for a car in each of its gear ratios. 700 the calculation would be: 12 / 37 * . Assembly. Calculator Details. ) in Inches : 1/4 Mile ET: 1/4 Mile Top End Speed: Ideal 1/4 Mile Gear Ratio: Gear Ratio Calculator. We'll include several torque converter slip percentages in this scenario in order to help better illustrate a range of mathematically ideal final drive ratio Calculators to find 1/8 mile ET and MPH. Or, check out our free apps that help you set up your car, find the right gear ratio, calculate speed, adjust suspension, and much more. 9 s optimal gear 3. This calculator is for a 1:1 final drive ratio. Access Drag Performance Calculator. a vehicle with drag race type suspension, racing slicks and who's gearing is optimized for the 1/4 mile, and the Gear Selector. Calculating your own gear ratios or rollout is actually quite simple, (G / P) * D where G is the number of teeth of your spur or crown gear, and P is the number of teeth on the pinion gear, and D is the diameter of your rear tire (in decimal inches). Check the theoretical vehicle speeds, RPM drops per gear and mile per hour pulls. For example a tire that is marked Calculate 1/8 mile ET,MPH and Ideal Gear Ratio using HP - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! Calculate 1/4 Mile Stats: Quarter Mile ET/Gear Calculator: Vehicle Weight (in pounds): Vehicle Horsepower: RPM through lights: Tire Diameter (Height) in Inches: Input Richmond Gear offers two different performance calculators (drag & street), as well as a calculator for gear ratios. 00:1. Calculate Rear End Gear Ratio needed. 136×Trans Ratio×(1+100Conv Slip )RPM×Tire Height This formula helps you determine the mathematically ideal final drive ratio, which can then be used to select the appropriate ring and pinion gear set. Bottom gear / Top gear = Gear Ratio. Todays date is 4/22/2025 Calculate your Rear End Gear Ratio Needed To find the ideal gear ratio for drag racing use your RPM at peak HP. 91, 1. Is a 3. Use the Drag Performance Calculator to calculate the theoretical 1/8 Mile ET, 1/4 Mile ET, 1/4 Mile Top End Speed, and Ideal 1/4 Mile Gear Ratio for a given application. You can get the Team Associated vehicle's transmission ratios by choosing a selection in the drop-down above. Share Post: Daniel Wilkerson to Race at the AAA Texas NHRA Fall Nationals! Gear Ratio Speed Calculator By AssassinRacing. 07 m/s motor speed 24000 rpm 1 motor rotation 20. Top speeds are either gear limited or drag limited. The nearest 12-bolt gear ratio to 3. Default speed Help on: Calculate RPM per gear at 50 Mph or Km/h in 3 setups; Change Speed Help on: Calculate RPM per gear at particular speed in 3 setups; Chain / Belt Geom. In a 3 speed automatic you can usually only choose 1st and 2nd gear ratio, often they are locked together (cant mix and match) so you need to balance starting line ratio with shift drop rpm. Enter the tire size diameter and the target vehicle . Understanding and calculating the gear ratio is crucial as it significantly influences your vehicle's acceleration, fuel efficiency, and overall performance. 05, 0. 94 mm wheel diameter 20 mm m/s at optimal rpm 4. Calculate RPM for given MPH, Rear Gear Ratio and Trans Gear Ratio. 0: 90: How can I use the 1/4 Mile Gear Ratio Calculator to improve my vehicle’s performance? A: By entering accurate vehicle specs, the calculator can help you find the most effective gear settings for your racing needs. 83 ratio and then written and spoken as 24:44 Gear Ratio Calculator Web link by So Dialed Racetech 4y ago Setup/Tips. 2)Ninco DTM pinion teeth 9 gear ratio 3. Home -Tools -Newsroom -Instructions -Calculate Rear End Gear Ratio Needed ; Back to Top . Calculate 1/8 mile ET,MPH and Ideal Gear Ratio using HP - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! Wallace Racing BACK to Auto Math. 75 works really well as a starting point. STREET PERFORMANCE CALCULATOR. Use the Drag Performance Calculator to calculate the theoretical 1/8 Mile ET, 1/4 Mile ET, 1/4 Mile Top End Speed, and Ideal 1/4 Mile Gear Ratio and the 0-60 MPH Time Calculator to calculate the theoretical 0-60 Time for a given application. E. For help calculating your gear ratio, Final Drive Ratio (FDR), or rollout, Use the Gear Ratio Speed Calculator to determine which is the case for your particular scenario. Exhaust Length calculations provide information for custom exhaust systems. e. Converter Slip Calculator. 3 – The Gear Ratio Calculator is an essential tool to precisely determine the gear ratio, RPM, tire diameter, or MPH by inputting known values. Tip 2. The value will be returned in estimated differential gear ratio, based on the entered values. You can purchase one Calculate RPM for given MPH, Rear Gear Ratio and Trans Gear Ratio. Solve For: Gear Ratio (ex. based worldwide exporter, exclusive importer, distributor and manufacturer of slot cars, slotcars, slot car home sets, slot car motors and general hobby supplies. Not to be used in place of real testing. Which will do math for YOU. Class Crawler/Scale Drag Racing Drifting Monster Truck Offroad Onroad Oval Scale/Size 1/4 1/5 1/6 1/8 1/10 1/12 1/14 1/16 1/18 Power Electric Gas Nitro Products Battery Car M. POWERTRAX is a leading manufacturer of traction adding differentials for the light truck, sport utility and performance street rod market. More examples, 44 / 24 = 1. Ring and Pinion Ratio. Vehicle Weight (in pounds) Vehicle Horsepower: RPM through lights (finish line) Tire Diameter (Hght. Example: If your max HP is at 6300 RPM use 6300 for the RPM. 80:1 is 3. This calculator outputs the how fast a car can go in each gear as calculated by the gear ratios, engine redline and tire size. This website is intended for informational purposes only. The ultimate top speed may be limted by the power, drag and aerodynamics of each individual car. 1/8-MILE TO 1/4-MILE CONVERSION TABLE For a clutch type vehicle this works good. Time to put away the slide rules and see how gear ratios affect lap times. Instructions: Enter the tire information found on the sidewall of your tire. Mark Williams Enterprises is an industry leading manufacturer of drag race axles, drive shafts, brakes, modular rears, rear end Calculate the theoretical 1/8 Mile ET, 1/4 Mile ET, 1/4 Mile Top End Speed, and Ideal 1/4 Mile Gear Ratio for a given application based on the Vehicle Weight (in pounds), Vehicle Find your ideal quarter mile gear ratio with our precision calculator. seven, fourty three” Gears are displayed in text as 27:43 with a ” : ” to separate the values. The Rollout Calculator is an essential tool used to compute the distance a tire or wheel travels with one full rotation. We got fed up of people asking about the old online ratio calculator tool so we created our own. We need to multiply this number with the transmission ratio. Find new Gear Ratio with new tire size: Current Gear Ratio: New Gear Ratio: This formula is a nice way to get the tire diameter of those metric tires that are common on just about everything stock. Now take the gear ratio you want to check against and times it by 336. ) 2 Speed 3 speed 4 Speed 5 speed 6 Speed 1st Gear Ratio: :1 : Drag Racing Basics | Door Slammer Chassis Gear Ratio Calculator | Introdution to differentials and lockers | The basics of gears and why you would want to change them if it's not in the list and you know the gear ratios of your transfer case, enter them below. PONTIAC POWER RULES ! ! ! Estimate Converter Slip Wallace Racing BACK to Auto Math. which can then be used to select a ring and pinion that closely Gear Ratios Calculate Engine Displacement Calculate Air Density for jetting corrections Drag Race Simulator estimates 1/8, 1/4 mile times and will also estimate your top speed. A division of Midwest Truck and Auto Parts, Motive Gear offers the highest quality drivetrain components on the market today. P: 519-652-3030 (Eastern Time) Send Us a Message Calculators by Wallace Racing. Whether for BMX bikes, RC cars, or drag racing, this calculator helps enthusiasts and professionals optimize performance by accurately measuring rollout based on tire size, gear ratios, and other parameters. To determine the gear ratio use the following formula: RPM (at maximum engine power) x tire GEAR RATIOS CALCULATOR. New to dragracing been a dirtracer 40 years would like advice on gear for my s15 gmc. Gearing for cruising To find the Drag Race Simulator 2 NEW; Calculate ET Change per . Thank you very much for putting together a great setup! Also calculated is the new gearing you would need in order to return back to your original gear ratio when going to a bigger or smaller tire. 700 is 2. If a car has less than 6 speeds, only enter gear ratio numbers for the gear ratios that apply (i. Many factors have been taken into consideration to make this calculator as accurate as possible, but certain variables like vehicle weight, battery quality, drivetrain drag, etc can have an effect on the actual speed. Calculate the perfect final drive ratio To find the ideal gear ratio for drag racing use your RPM at peak HP. Q: Are there limitations to the accuracy of the calculator? [ July 18, 2024 ] The Factory Built Experimental F-100 XL Prototype Drag Truck Rides & Roadkillers [ July 6, 2024 ] Richard Petty’s 1970 Superbird Roars Back to Life Rides & Roadkillers [ June 22, Rear-End / Differential Gear Ratio Calculator. To do DRAG PERFORMANCE CALCULATOR. Access Optimum Transmission Gear Ratios Calculator. Scroll through the list of popular transmissions to find yours. Use our RC gear ratio and rollout calculator to find the right pinion and spur for your car. 2. RPM Calculator: Gear Ratio : Trans Gear: Tire Diameter: MPH: Final Drive Ratio=RPM×Tire HeightRearend Ratio×336. Performance Trends features engine simulation software as well as data acquisition and drag racing software, suspension software, race car software, store or recall particular transmission gear sets from the Gear Library, calculate gear ratios, make user defined tables and graphs of MPH vs RPM or RPM vs MPH for whichever gears or conditions Use this gear ratio calculator to select the best ring & pinion and gear ratio combinations to serve your needs. Enter the values on the left and press Compute. Again. 136×Trans Ratio×(1+Conv Slip 100)Final Drive Ratio=Rearend Ratio×336. Jump on Board . 43. 5kbpistons,550liftsolidlifter camshaft,victor jr intake,willys 750gas carb,msd cranktrigger ignition with 7 al box,powergide with 8inch bte 4500 stall converter with trans brake,narrowed R/C Vehicle Speed Calculator. The math is: RPM x tire diameter, so 6400 x 28" = 179200. 4. Fill in the manual inputs, select the ratios from the drop downs and instantly see a chart showing speeds and RPM drops, the visual aspect really This is essential to maintain power and momentum during continuous sliding. To calculate the drag forces (Fd) you need your racing cars: speed (v) its “drag coefficient” (likely to be between 0. So Dialed Just Made Setup Tracking Much Easier. Lower gear ratios (higher ratio numbers) give your car faster acceleration out of a corner, higher gear ratios (lower ratio numbers) gives your car faster top speed. An 11% driveline loss is assumed for Wheel HP. It provides faster acceleration off the line The best gear ratio for 1/8 mile drag racing is 5. Example 43/27 = 1. xic hmpzxt hzbkoyey rzv oghmmhxo ywnim nnycsfu nmpxy kwuso fzxaue deotmzlsi lfafj xov czfuf kayxwe