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      Drag race gear ratio calculator. CLICK ICON TO USE CALCULATOR.



      • Drag race gear ratio calculator For example, the default figures in the chart are for a stock ratio transmission as fitted to a Type 1, 1303S (3. The calculator is simple to use—just input your vehicle’s weight and horsepower and estimate your vehicle’s ET and trap speed. 10 to 4. Drag Race Simulator estimates 1/8, 1/4 mile times and will also estimate your top speed. ) in Inches : Ideal 1/4 Mile Gear 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 Horsepower (at the flywheel), RPM through lights (finish line), and Tire Diameter (Height) in Inches. Remit to 765 S. CLICK ICON TO USE CALCULATOR. The 1/4 Mile Calculator is perfect for drag racers looking to remain competitive and improve their vehicle’s Nov 15, 2023 · For race car enthusiasts, the gear ratio calculator feature within this tool is invaluable. 56:1 are often used for quicker acceleration off the line. Transmissions, Engines and Parts; Parts of Top Fuel and Funny Car Racing; Gear Calc. Gear Ratios - RPM from Speed, Rear & Trans. DRAG PERFORMANCE CALCULATOR. 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). Which will do math for YOU. . This calculator will help your hot rod or street machine get to the next level without red-lining your engine. Let's assume that we're running a 26-inch-tall rear tire and a 550-hp small-block in a 3,600-pound Chevy Oct 8, 2023 · Q1: Why is the Starting Line Ratio important in drag racing? The Starting Line Ratio is critical in drag racing because it directly affects a vehicle’s launch performance. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Generally, lower gear ratios (higher numerically) like 4. Additionally, the calculator aids in understanding how different gear ratios affect the vehicle’s speed, a key aspect in racing dynamics. 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! DRAG PERFORMANCE CALCULATOR. Using only your car's power and weight, it will estimate its 1/4-mile elapsed time (ET) and final speed (trap speed Dec 1, 2011 · There are lots of 1/4 mile charts out there to tell you what to expect with a certain gear ratio or MPH to get RPM or vice versa. 88 ring and pinion). The 1/8 mile ET-MPH-HP drag race calculator is a tool used by drag racers to estimate their elapsed time (ET), speed (MPH), and horsepower (HP) for an 1/8 mile drag race. It combines a quarter-mile time calculator and a quarter-mile speed calculator. Example: If your max Torque is at 3300 RPM use 3300 for the RPM. It helps in fine-tuning the gear ratios, which directly impacts the car’s acceleration and overall speed. What is the fastest mph in the 1/8 mile? Jul 17, 2024 · If you're thinking of entering your car into a drag race and are wondering how well it would perform, then this quarter-mile calculator is for you. Also solve for RPM, Tire Size and MPH. Free tutorial videos for hardcore drag racers. 136 * Trans Ratio * Conv Slip%) / RPM Nov 14, 2019 · Richmond Gear offers two different performance calculators (drag & street), as well as a calculator for gear ratios. 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. - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. Max rpm: Enter your maximum engine rpm limit; Final Ratio: Enter your final drive ratio; Gear Ratio: Enter the gear ratio for each gear Gear Shift Drop Calculator: RPM: RPM: Rear Gear Ratio : Tire Diameter: Inches: Gears in Tranny: (3 Speed or 4 Speed, etc. 17 gear, it'd be the same as running 26" tires and 5. How do you calculate gear ratio in drag 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 1/10/2025 06:28:45 AM Sep 10, 2011 · Starting Line Ratio Calculator Wallace Racing BACK to Calculators Use this calculator to see what your starting line ratio is. Calculators designed for the auto enthusiast. Strange Engineering Ring and Pinion Gear Ratio Calculator. 90:1 rear gear as a good choice Oct 16, 2023 · Racing cars typically have customized gear ratios based on their specific racing discipline, such as drag racing, circuit racing, or rally racing. Understanding and calculating the gear ratio is crucial as it significantly influences your vehicle's acceleration, fuel efficiency, and overall performance. Pierce Ave Jan 6, 2020 · Let's burrow down a little deeper into our drag car example with this ratio package. 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. ET - HP Calculators; Convert ET To Today's Condition; 1/4 Mile Stats Calculator; Gear Ratio Needed Calculator; RPM Drop From Shift The Gear Ratio Calculator is an essential tool to precisely determine the gear ratio, RPM, tire diameter, or MPH by inputting known values. Mark Williams Enterprises is an industry leading manufacturer of drag race axles, drive shafts, brakes, modular rears, rear end housings, thirdmembers, and chassis components. Description: English Input: Metric Input: Tire Diameter: Inches: MM : Wheel Rollout: Inches: MM : Engine RPM: RPM : Final Drive Ratio: Gear Ratio: Torque Converter Slip (%) % Speed: MPH: KPH Gear Ratio Calculator. An 11% driveline loss is assumed for Wheel HP. Gear Ratios Drag Strip Performance - 1/8 Mile Horsepower Requirements from MPH - 1/8 Mile Horsepower Requirements from ET - 1/8 Mile ET from MPH - MPH - Km/H in 1/4 Mile using Horsepower Use the Gear Ratio Speed Calculator to determine which is the case for your particular scenario. Pro Race Axles – Drag Racing Axles Earning their bones in the fast-paced world of NHRA Top Fuel and Funny Car Classes, Strange Engineering has become the standard by which high-performance, drag racing rear ends and rear end parts are measured. Example: If your max HP is at 6300 RPM use 6300 for the RPM. 42 These two metrics are critical in evaluating a vehicle’s performance in a straight-line race. Try some of my high performance racing calculators. ) in Inches : Ideal 1/4 Mile Gear Full Race; The Billet Generation; 10″ – 12″ Hybrid; Transmissions. You can purchase one (p/n CAL) online for $3. A higher STLR provides more mechanical advantage at the starting line, resulting in better acceleration off the line. Shifting at 5000rpm from 3rd gear into 4th (76mph), sees engine speed drop by almost 1500rpm, to a little over 3500rpm. With the above numerical approximation, both formulas are identical if we consider that (rpm)/(gear ratio) is the rate of rotation of the tires. Drag Race Simulator 2 NEW; Calculate ET Change per . Dec 12, 2009 · The gear ratio is set @ what it is and yes you do technically have to change the ring and pinion to change the gear ratiobut it is industry standard that the ratio's you read are with a 26" tall tire(not sure if it is exact with the gear ratio, or if this is just what they use)SO basically if you are running a 33. 4-Link software used by the best teams in drag racing. 10:1 or 4. Motive Gear offers aftermarket ring & pinion gearsets, differential bearing kits, a complete line of transmission and transfer case parts, as well as replacement axle shafts. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. This means considering the desired finish line speed and engine RPM, as well as the torque converter slip percentage at the finish line, drive tire height, and Oct 19, 2008 · if you've got a transmission without an over drive top gear ratio like a th400, th350, etc I would consider ,STRONGLY CONSIDER something in the 3. 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 Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Auto Transmissions for Race; Photos From Previously Drag Racing; For Sale. Gearing for cruising To find the ideal gear ratio for cruising use your RPM at peak Torque. Use this gear ratio calculator to see what ring & pinion gear ratio will be right for you after a tire size change. 01 second From DA NEW; RPM/MPH From Gear Ratio Calculator; Speedo Gear Calculator; Tire Height and Width 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 GEAR, RPM, MPH, Wallace Racing BACK to Calculators Todays date is 1/10/2025 RPM Calculator: Gear Ratio : Trans Gear: Enter the Rearend Gear Ratio, the 1/4 Mile MPH, the RPM, the Transmission top gear ratio, Conv Slip% Tire Height = (Rearend Ratio * MPH * 336. Packages; Circle Track; Full Race; Street and Strip; 4L80E Automatic OD; Components. Calculators by Wallace Racing. These ratios are chosen to maximize acceleration and top speed for the given race. Racing. Then, change Richmond's performance gear ratios and beat your best time! Access Drag Performance Calculator. This calculator is for a 1:1 final drive ratio. To find the ideal gear ratio for cruising use your RPM at peak Torque. So, calling R the "gear ratio", your final Drag Race Simulator Estimating HP Exhaust Length Gear Ratios Calculate Engine Displacement Calculate Air Density for jetting corrections Calculate MPH from RPMs Performance Formula's. 136 * Trans Ratio * (1 + (Conv Slip% / 100))) / RPM RPM MPH Rearend Ratio Access Gear Ratio Calculator A division of Midwest Truck and Auto Parts, Motive Gear offers the highest quality drivetrain components on the market today. 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. So the "gear ratio" as the number of rotations of the driveshaft for each turn of the tire. Amateur and professional racers alike know that they can trust Strange Pro Race Axles to be the Oct 9, 2023 · What gear ratio is best for drag racing? The best gear ratio for drag racing depends on various factors, including your vehicle’s engine power, tire size, and track conditions. This ratio is normally more than 1, except in overdrive gear. Toll Free: 1-866-508-6394 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. 5" tall tire and 6. You may also be interested in these helpful tools. It takes into account various factors such as vehicle weight, tire diameter, and track conditions to provide an accurate estimate. See my Free Android Drag Racing Calculator App in the Google Play Store This “dream wheel” lets you plug in factors like tire diameter and desired RPM at the stripe to determine what gear ratio will get you there. P: 519-652-3030 (Eastern Time) Send Us a Message For example if you want to calculate RPM at a known speed, clear the RPM box or set it to 0. You can find all of these tools here ! calculator , drag , performance , Racing , ratios , Richmond Gear , street , tools 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. Order a gear ratio calculator for your toolbox! Part Number CAL. To find the ideal gear ratio for drag racing use your RPM at peak HP. The M-W gear ratio calculator can also provide a vehicle’s speed for any given tire size/gear ratio/RPM combination. -3. Houseman Autosport 6564 Decker Drive London, Ontario, CANADA N6P 1J5. 07-3. Access Optimum Transmission Gear Ratios Calculator POWERTRAX is a leading manufacturer of traction adding differentials for the light truck, sport utility and performance street rod market. 31 rear gear ratio range, if you have an over drive top gear, like a 700r4, 4l80e, 200r4 the same criteria apply but youll find , a 3. 56. Planetaries & Gear Sets; Deep Pans; Oil Pumps; SFI & Heavy Duty Flexplates; Hardened Input Shafts; Transbrake Solenoid; Valve Bodies; Adapter Plates; Yokes & U-Bolts; Oil Coolers & Fans For example, the default figures in the chart are for a stock ratio transmission as fitted to a Type 1, 1303S (3. Calculate the Gear Ratio Needed to run a certain 1/4 mile. 54. Vehicle Weight (in pounds) Vehicle Horsepower: RPM through lights (finish line) Tire Diameter (Hght. Anyone have one that will work for the 1/8 mile? Trying to adjust what I know in the 1/4 to the 1/8 in terms of 1st gear and overall ratio to trap MPH and RPM. You can also use a different tire height to see how it affects the SLR (see the effects of tire height change without changing the rear gear ratio) Starting Line Ratio Calculator Optimum Tire Height Calculator : Rearend Ratio: MPH: RPM: Trans Ratio: Conv Slip% Tire Height: Enter the Rearend Gear Ratio, the ¼ Mile MPH, the RPM, the Transmission top gear ratio, Conv Slip% and Click on Calculate… Tire Height = (Rearend Ratio * MPH * 336. 00. ) 2 Speed 3 speed 4 Speed 5 speed 6 Speed Mark Williams Enterprises is an industry leading manufacturer of drag race axles, drive shafts, brakes, modular rears, rear end housings, thirdmembers, and chassis components. Oct 2, 2023 · The gear ratio you need for an 1/8 mile drag race can vary depending on your vehicle’s power and torque characteristics, but a common range for many drag racing setups might be around 4. whda zfd xylvc edrwhyyk oncqi edwu zye paw uho cuec