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[firemanrj]

I have an 1992 Fullsize 4x4 Blazer. The Vin is 1gnek18k7nj359513, can anyone tell what the ratio of the rear end is. Thanks.

[pwall]

Read-End size

Check out: http://www.wiu.edu/users/muwtj1/gq1-j55.txt

It'll list the codes for the differential (and other stuff).

You'll find the codes for your truck inside the glove box.

 

GU2 = 2.73 Ratio

GU4 = 3.08 Ratio

GU5 = 3.23 Ratio

GU6 = 3.42 Ratio

GT4 = 3.73 Ratio

GT5 = 4.10 Ratio