How To Find Out Gear Ratio Chevrolet

Preparation and lifting the vehicle.

The digits between these numbers represent the gear ratio. Gm rpo axle code notes. Part 2 of 5. Then find those codes in the table below.

Get the correct parts the first time for your chevy rear end. The vehicle identification number vin is a 17 digit code that is used to identify and track every automobile produced. There are several ways to determine the gear ratio on your vehicle. Check out the new comments section below.

Gear ratios can be changed to compensate for changes in tire size. Accurate identification using the gm rpo code assumes that the rear end has not been previously modified the prefix is usually f g or h when referring to axle identification. A lower gear ratio can affect fuel mileage by decreasing engine rpm at highway speeds. You can find the gear ratios involving the idler gears as well and you may want to in certain situations.

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If you do not find the numbers are appropriate for the gear ratio of your car then this is down to the fact not all vin numbers display the gear ratio in their code. In these cases start from the drive gear and work toward the load gear. When you find this 9 digit number you have to read the numbers from the fourth digit to the eight digit. Finding chevy gear ratios if you look in the regular production option codes located on the service parts identification sticker located on the vehicle y.

To find the axle gear ratio of any gm vehicle locate the rpo sticker typically located in the glove box and write down any codes starting with f g or h. A higher gear ratio can give your vehicle better acceleration. Gu4 3 08 ratio gu6 3 42 and gt4 3 73. Need help with gm rpo axle codes.

How to find out the gear ratio with the vin number by jesse dempsen. Pray that you don t have the gt4 3 73 because that s the hardest to find around me. Treat the preceding gear as if it were the drive gear as far as the next gear is concerned. Identify your gmc or chevrolet rear end gear ratio by the rpo codes usually located on the placard labeled service parts identification inside the drivers door panel or glove box.