373 shift kit
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Junior Member
Joined: Oct 2012
Posts: 7
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From: Ohare IL
Car: 87 trans am am gta
Engine: 350. 488 lift cam
Transmission: 700r4
Axle/Gears: 323 posi
373 shift kit
If I add a 373 gear shift kit and 2500 stall how much could 1/4 mile time increase? Right know have stock transmission and 323 gear with 150,000 miles on it and ran 14.9
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