ls2 swap/ fuel mileage
11-25-2012, 05:22 PM
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ls2 swap/ fuel mileage I have a 2007 Silverado classic, I'm swapping from a 4.3l to a 6.0l, I'm wanting to changeover cam, and intake to improve fuel mileage, looking to get atleast 25 to 35 mpg don't no what options would be best to do
