i have a 97 blazer 4x4x4 and i was wondering what my gear ratio is. If somone could tell me or direct me to a site where i can figure it out if there is more than one that year.


Brandon

 

Depends on the RPO list in the glove box.

Here's a list of the gear ratio's available and their associated RPO code:
GT4 Rear Axle: 3.73 Ratio
GT5 Rear Axle: 4.10 Ratio
GU4 Rear Axle: 3.08 Ratio
GU6 Rear Axle: 3.42 Ratio

quoted from HERE.