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#1 |
Member
Join Date: Apr 2012
Location: Harrison Twp. MI
Posts: 108
Likes: 83
Liked 3 Times in 3 Posts
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Thanks for the reply. I can live with that. My 11' Silverado with a 5.3 would only get about 6 mpg towing at 70 mph
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#2 |
Junior Member
Join Date: Jan 2010
Posts: 83
Likes: 0
Liked 12 Times in 6 Posts
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I had a 2008 5.3 GMC Sierra Crew Cab. I got around 8 mpg towing with it driving 60 to 65 mph. I never felt overly comfortable leaving it on cruise as it wanted to rev too high. It was a 7000 GVW truck.
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