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Old 03-16-2018
jcar302 jcar302 is offline
Senior Saleen Forums Participant
Join Date: Jun 2011
Location: Jackson NJ
Posts: 191

Originally Posted by jayburke View Post
I have the 2008 420s ford racecraft with the added shaker rated at 485 hp I am considering upgrading the rear gear ratio to a 3.73 I am assuming it is currently 3.55 equipped on 5 speed manual transmission also would like to raise the boost has anyone performed this what did you use I don't think I would go above 8 any Ideas please
Generally speaking changing one size in gears isn't worth it for anyone that doesn't consistently race the car.
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