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Hello I just read this on the "Before Black" web site. "1982 - First year for the 0.63 Turbine housing. Quicker spool/Less Lag." . I was wondering what the A/R ratio was for the 1979 to 1981 turbos. On another note, is there any way of getting different Turbine Housing with different A/R...

Hello I require a 11 teeth speedo driven gear for a 200 4R. I need this because my 3:70 rear axle and my tire size. I know it comes on buick turbo regals but I am not sure what else. I think it is orange in colour but I have seen 13 teeth gear that are orange too. If it is from I turbo regal and...

Hello I just purchased a 200-4R out of a 86 Monte SS, but I don't think it is the original transmission. Anyway I recall coming to this site and there was a post with 200-4R recomendation, Upgade and tips. I thought this would have been in the Sticky section but I didn't find anything. I tried...

Wanted 78 to 83 Air Cleaner assembly for carburated turbo V6.