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Old 06-04-2010, 12:42 PM   #8
softballnrd27
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Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
Re: 305

I get 13mpg with a mix of around town and highway. Holley carb, performer intake, headers, flowmasters, and i don't go easy on it.
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2010 Silverado Crew Cab
73 SWB 5.3/4l80e
Build Thread:
http://67-72chevytrucks.com/vboard/s...d.php?t=695168

Last edited by softballnrd27; 06-04-2010 at 12:42 PM.
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