There are four ways to find a ratio.
1 A dealer can normally tell from the vin number.
2 There are normally tags or labels on the axle that have part number, gear ratio, and fluid requirement
info.
3 You can count how many times you have to turn the driveshaft to get one complete turn of the tires.
4 You can divide the number of teeth on the ring gear and divide by number of teeth on the pinion.
It should be a 342.
gm4 3.67
Call the dealer with the vin and their computer can brake it down.
My 1986 GMC High Sierra 1500 stock transmission is a 700R4. My 1986 GMC High Sierra 1500 stock transmission is a 700R4. it could also be a th 400
Write the VIN# down and call a Chevy dealer and ask for PARTS. Tell the parts man that you have the VIN# and you would like to know the gear ratio. He will give you the info. you are asking about.
The stock gear ratio for a 1986 GMC Jimmy 4x4 typically comes with a standard ratio of 3.08:1 for the 10-bolt axles, but it can also be equipped with a 3.42:1 ratio depending on the specific configuration and options chosen. It's essential to verify the exact configuration as it may vary based on the drivetrain and any modifications that were made.
replace a window lift motor for a 2002 gmc sierra?
Delco
The gear ratio for a 1994 GMC Sierra 1500 Extended Cab can vary depending on the specific configuration and options selected. Common gear ratios for that model ranged from 3.08 to 4.10. To determine the exact gear ratio for a specific vehicle, it's best to check the RPO (Regular Production Option) codes on the vehicle's service parts label or consult the owner's manual.
The gear ratio of a 2001 GMC Jimmy 4x4 is probably 3.73. The ratio is listed on a plate in the glove compartment on most models.
i have a 1986 GMC SIERRA 1500 and i get all of my parts and diagrams fom www.lmctruck.com let me know if you could find it there.
1986 GMC Sierra Grande