cpt ron jc
Petty Officer 2nd Class
- Joined
- Aug 25, 2010
- Messages
- 116
i have a 1990 alpha ,my lower is junk,i went to look at a 1983 that is in good cond,will this match up with my upper,i was looking for sn.numbers on the 1983 we could not locate any,also mine is a 4.3,i belive the 1983 is from a v8 i know my ratio is 1.81.