Thread: What your mileage on stock engine?
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Old 07-06-2009, 09:03 AM   eBay Motors   #30 (permalink)
HZahorik
Junior Member
 
Join Date: May 2009
Location: Luxemburg, WI
Posts: 6
With my LB7 that's stock except for a drop-in K&N, I get 21 all around which for me is about 95% highway.
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Howard
03 GMC 2500HD LB7 Crew Cab 4x4 Short Box
Stock except for K&N drop-in air filter and American Racing wheels
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