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#21871 03/13/2003 4:01 AM | Joined: Mar 2001 Posts: 259 Member | | Member Joined: Mar 2001 Posts: 259 | The book I have he say's in 1969 the 3/4 and 1 ton truck code is stamped on the forward upper surface of the differential carrier housing.
For 1970 the numbers are said to be stamped on the bottom of the left or right axle tube adjacent to the differential carrier housing.
Possible gear ratios on the 3/4 ton:
3.73:1
4.11:1
3.07:1
This is only for the Chevrolet trucks.
Joe
Joe
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