The gear ratio for a 1988 GMC Jimmy can vary depending on the specific model and configuration, such as the engine size and whether it has a 2WD or 4WD drivetrain. Common gear ratiOS for this vehicle typically range from 3.08 to 3.73. To determine the exact gear ratio for a specific vehicle, it's best to check the owner's manual or the information sticker located on the driver's side door jamb.
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