im installing a 323 rear gear and my brother is installing a 342 gear. and we both need the correct. tranny gears so our speedo reads coeect. both cars are 91 camaaro. rs.

thanks



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91 camaro RS
- 305 TBI
Mods: Performer TBI intake, 1" TBI spacer, K+N, jet fan switch ,160 thermo,Accel control module, Jet Stage 2 chip, edelbrock TES headers, Compleate 3" Flowmaster exhaust, Edelbrock springs, KYB struts and shocks, 700R4 built by TSI, SLP tq converter, b+m trans cooler
Soon to come .SLP Posi 323,Spohn LCA's and panhard bar,Ascd ram air hood, Z28 spoiler and grille,white guage faces.

 

You really need the answers from the GM parts counter book.
I would get new ones.
I gotta do this for my tranny I'm gonna swap into my S-10 blazer.
The 3:42 gears rock the freeway!

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Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA

 

What transmission and tire size?

 

both have 700 r4 trannys both have 245 50 r 16 tires

 

3.23
drive driven
15 gray 39 brown
16 blue 42 green
17 red 44 dk. gray

3.42
drive driven
15 gray 41 yellow
16 blue 44 dk. gray

Hope this is helpful....

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Scott Downs
85 Trans Am
305 tpi/700r4
3.73 w/255/60R15
plain firebird nose(for better engine cooling)
T-Tops, pwr everything
been to about 140mph

 

thanks alot. i tihnk that helps