What Gears did 89 RS 2.8's come with????
 

????????????

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Looking for:

87 IROC-Z L98
84 TRANS AM H.O.

my 89 firebird had 3.42's...i think stick had a different gear set though..

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89 RS
305 TPI...

Previous:
2.8 s/c'd firebird

OK, thanks!!

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89 RS 2.8

Looking for:
87 IROC-Z L98
84 TRANS AM H.O.

donno but my 87 base model 2.8 came with 3.73 limited..

if it's an auto it came with 3.42's.

hey james, did the 3.1L auto trans come with 3.42's also?????

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Dan
100% stock 1990 RS 3.1L
and VERY slow

mines a auto and it came with 3.73's..

Fast RS, find your RPO code sheet, and deocde it on the site. it'll give you your rear end ratio.