Ratios come in 2.92, 3.27, 3.45, 3,70, 3.90, 4.11. Calculator below to convert from MPH to Klms/hour. I have left the springs, tire pressure, damping, and anti-roll bars "as is", but have been trying to adjust the differential ratio. per Mile = # Driven Teeth: 1001: Use the following formula to calculate the Tire Rev. The diff ratio required is whatever closest is available to 4.6. Tire Rev. Holden Differential ratios: I have been having difficulty tuning a Holden Commodore. Click on Calculate Differential Gear Ratio. Yes, something’s happened to Holden. I calculate it that my diff ratio is about 3.55 I would like to lower the rpm to a suitable highway cruising rpm. This calculator will provide the speed of the vehicle based on the transmission gear ratio, the engine RPM, the tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing. : this calculator allows you to enter 3 of four variables and it will compute the other based on your input This guide will show you how to check the differential ratio and LSD status on the rear diff of a VE Commodore. View modification documents for this model The Holden SS (VE) Built Between: 3/2006 to 10/2010. What diff ratio - posted in Driveline: What diff ratio should I get. per Mile =. # Drive Teeth X Axle Ratio X Tire Rev. Calculated accuracy of most browsers is generally 16 places. . Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. Manufacturer Code: 0. It will do all the work for you. Holden HR A Wonderful Moment of Discovery: (circa 1966) Into your own private world, a wonderful moment of discovery. Use Gear Exchange's differential gear ratio calculator to determine the best ratio for your vehicle for optimal performance, fuel economy and overall driveability. Scroll through the list of popular transmissions to find yours. Try this handy custom calculator. per Mile for the above formula. The value will be returned in estimated differential gear ratio, based on the entered values. DIFF RATIO FORMULA. Larger tyre size divided x standard tyre size 35” divided by 31” = 1.1290 which = 12%. I have: 285/30/18 tyres tyre diameter is 24.73 100 kph is about 3050rpm Aussie 4 speed so 4th gear is 1:1 Engine V8 (308) no real specs on it, its old and tired, in need of a rebuild. View colour options for this specific model View engine options for this specific model View transmission options for this specific model View features for this model View the gallery for images of this model. Look, look again, look closely. To do another, click the Clear Values button and then enter a new set of values. Tire Diameter (inches) Speedometer Gear Calculator. The time is now, and the car is Holden engineered to a new Turbo-smooth power. Transmission Ratio RPM. To calculate correct ratio - Standard diff size x 12% example - 4.11 x 12% + = 4.6032. This calculator assumes you know the vehicle's transmission ratio. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. 20168 . Standard diff ratio's. Enter R&P Ratio, Tire Height, Speed (mph), and Transmission Ratio, then click Solve to calculate RPM Your ratio is ideal already for gas mileage. April 8, 2019 @ 7:31 pm Austin. 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Do another, click the Clear values button and then enter a new Turbo-smooth power estimated... ( engine RPM, axle gear ratio and Tire height ) to determine vehicle speed in each forward.... Whatever closest is available to 4.6 by 31 ” = 1.1290 which = 12.. The list of popular transmissions to find yours size x 12 % + = 4.6032 differential ratios: I been! Example - 4.11 x 12 % example - 4.11 x 12 % example 4.11!

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