compression ratios and fdr

[dohcfiend]

2 questions what are the compression ratios of a 94 auto tdc(i think it is 9.5) and a 96 tdc(i think it is 9.7)?

and on a 94 auto any1 have a clue to the fdr?

[plain3100]

3.42 i beleive is what my GM 4t60E manual says, and i think its 3.33 for the 3100s


oh and i think those numbers are right for the CR's

[dohcfiend]

thanx and welcome to 60v6 albeit a little late.

[SappySE107]

3.43 FDR, 9.25:1 compression for 94-95 and 9.7:1 for 96-97. The manual 91-93 are 9.5:1.