- 3.4L V6 engine with 4L60E automatic transmission: 3.42:1
- 3.4L V6 engine with manual transmission: 3.73:1
- 4.3L V6 engine with 4L60E automatic transmission: 3.42:1
- 4.3L V6 engine with manual transmission: 3.73:1
- 5.7L V8 engine with 4L60E automatic transmission: 3.42:1
- 5.7L V8 engine with manual transmission: 3.73:1
To be certain of the specific rear axle gear ratio of your 1997 Blazer, it is best to check the vehicle's owner's manual or contact a Chevrolet dealership with your vehicle's VIN number.