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Screamin' Eagle 09-24-2002 05:38 PM

I have a '74 nova with the following...

Stock pistons
sportsmanII heads
edelbrock rpm intake
edelbrock 750 carb
crane Energizer Int.470 exh.470
Tci streetfighter Torque converter

Im wanting some new gears.
3.08 is what i have now but want to go to 3.73
what am i going to need to change.

also what performance gains should i see?

heavychevy 09-24-2002 06:18 PM

i have about the same set up except a bigger cam. I went from 2:73 to 3:73 and picked up a full second in the 8th mi. It was proly the best thing ive done to my car.

bigjoedo 09-26-2002 03:32 PM

Screamin' Eagle,

I went from 2.56 to 3.73 gears and it made a big difference in acceleration. The engine runs at 3700 RPM at 70MPH using a TH 350 Trans. <a href="" target="_blank"></a> carries Precision gears for about $155. According to many sources Precision gears are far better than other brands. Good Luck. Hope this helps.


dmorris1200 09-26-2002 07:17 PM

Also purchased precision gears from Reider for my Mustang. Don't know what trans you have but I went from 3.00 to 3.70 gears with a C4 automatic and am very happy with them. They were extremely helpful on the phone when I ordered the parts. As soon as I told them my application they set me up with everything I needed for a complete overhaul (bearings, shims, etc.). You can see a picture of the overhaul with the fresh set of gears in my hotrodders photo album. I give Reider Racing two thumbs up. :D :D

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