Thread: 08 Silverrado 5.3
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Old 04-15-2009, 04:04 PM   #6
Mike
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Join Date: Dec 2006
Location: Goose Creek, SC
Posts: 5,481
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Originally Posted by 1SLOWHOE View Post
contact justin at blackbear performance and get it tuned for mileage. my tahoe has a tune. cai. exhaust. and gears and with a 350 with 35s and 20s i get 16.6 average
Cool - thats who i told him to call.
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