Thread: 3.73 vs. 3.55 vs. 3.31
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Old 03-19-2014, 07:48 AM   #1
fordplay
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Join Date: Apr 2013
Location: fort worth
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The car was designed to run its best numbers stock with 3.73 and it does ... Once you start adding power.. FI I'd go 3.55 honestly. . Drive both. You'll end up buying the 3.73
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