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.
Delco
replace a window lift motor for a 2002 gmc sierra?
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
The fuse box on a 1986 GMC Sierra is located on the divers side at the edge of the instrument panel. There is another fuse box located under the hood on the divers side up near the windshield.
It could have, All you need to do is call a GM. dealership and ask for parts. Then ask the parts man if he can tell you what the gear ratio is in your truck. He will ask you for the VIN# so you need to have it wrote down so you can give it to him. Ask him what the gear ratio is and if it's positive trac.