Q:

Where can you find the Chevy rear-end gear ratio?

A:

Quick Answer

The Chevy rear-end gear ratio is found in the RPO code, which is located inside the door or glove-box of the vehicle. The exact location of the RPO code varies depending on the model of the vehicle.

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Full Answer

The rear-end gear ratio, also known as the transaxle final drive, is represented by an RPO code. Each RPO code describes the final drive using a set of characters beginning with either F, G or H and ending with two characters, which can either be numbers or letters. The following lists shows examples of what RPO codes look like along with their respective final drives.

  • F16 - 2.53
  • F17 - 2.84
  • F18 - 2.65
  • F25 - 3.32
  • F29 - 2.82
  • F62 - 2.39

Other RPO codes and their final drives can be found on the Sierra Gear and Axle website.

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