Could be 3.21:1,3.55:1,or 4.10:1 . The dealer could tell you off of the vin, there may be a tag on the axle, or you could count how many times the driveshaft turns for every turn of the wheel.
Most were 3.55:1
Yes
If the front is 3.55, then the rear needs to be 3.55
The most likely ratio is 3.55-1.
3.55 or 4.10 : 1
P0731 Gear I Incorrect ratio
What is the gear ratio on a 1996 2wd suburban 1500?
75w90 or 80w90
Could be 3.55, or 4.10:1
Could be 3.21, 3.55, or 3.92:1
Could be 3.21, 3.55, 3.92 to 1. Those are the options for a 1996.
75w9075w90