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 by the number of teeth on the pinion.
All you need to do is call a Chevy dealer and give them the VIN# and asked them what the gear ratio is in your truck and they will tell you what the factory gear ratio is.
4.10 ratio
Faster, 2.73. Quicker, 3.08.
a 10 bolt differential case has a 8.5 ring gear .a 14bolt has 2 different covers one is a 9.5 the other is a 10.5
If you call a GM dealer and give them the VIN# they can tell you what gear ratio you have.
3.42
The stock gear ratio for a 1995 Chevy Blazer is 3.73. This provides a good balance of fuel economy and power to the rear wheels.
If your asking about the gear ratio, Then write the VIN # down and call a Chevy dealer and ask for parts. Then ask the parts man if he'll tell you the gear ratio and that you have the VIN# on you truck. He'll tell you what the gear ratio is from the factory.
The Chevy G80 differential, known as a limited-slip differential, doesn't have a fixed gear ratio itself, as the gear ratio depends on the specific axle configuration it is paired with. Common gear ratios for Chevy differentials range from 3.08 to 4.10, among others. To determine the exact gear ratio for a particular vehicle equipped with a G80 differential, you would need to check the vehicle's specifications or the axle tag.
3.08
3.8
3.8