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Old 03-11-2018
jayburke jayburke is offline
Saleen Forums Registrant
Join Date: Nov 2011
Location: Tacoma Washington
Posts: 6
Default Q's: Gear ratio & boost? - Series VI SuperShaker

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
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