Transmissions and Drivetrain Need help with your trans? Problems with your axle?

What rear ratio to use

Old May 22, 2005 | 07:39 PM
  #1  
corky9491's Avatar
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From: Minnesota
Car: 83 Berlinetta
Engine: 355
Transmission: TH350
What rear ratio to use

I was wondering what would be a good gear ratio to use. I have a 83 Berlinetta that has estimated 300-325 hp, 357cid, that I just swapped the 700-r4 for a th350. I have a set of 3.73's that I was going to use with the 700-r4, but I think this will be a little to steep for the 3spd tranny. Also what gear did the car come with from the factory, it had a 305cid. I have an 82 plain jane coupe wiyh a 4cyl, 4spd manual parts car. I was also wondering what kind of tranny this is and what gears did it come with.


THANKS !!!
MATT
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Old May 22, 2005 | 08:28 PM
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tom3's Avatar
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From: So. Ohio
Car: 88 Camaro
Engine: L98 350
Transmission: 700r4
The 3:73s will really have the engine singing on the highway. Factory would have been a 2:73 or 3:08 maybe. I'd probably go with a 3:08 if you're on the highway much, 3:23 would be good for mostly town. Check the console or rear storage compartment for RPO codes on the 82, code starting with G would be the rear axle.
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Old May 23, 2005 | 06:13 AM
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