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Old April 28th, 2010, 06:17 AM   #45
Hooperdog's Avatar
Join Date: 03-17-06
Location: NW Mi.
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had an 07 Silerado with 5.3 LTZ package 373 gears. towed my YJ good but got ok milage. 9-11 towing. it did like to downshift a lot on the hills in West Branch. had to leave it in 4th gear mostly and 3 grand on the tach to go 70-75mph.= gas guzzler
I now have an 2010 5.3 with the new 6speed auto trans. 342 gears. Towes my YJ a lot better and stays in 5th gear when I put it there. got 13-15mpg towing 19-20mpg when not. ( Highway)
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