Gas Mileage Mods
12-27-2007, 02:02 PM
#61
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Gas. Dead stock with 13,000 miles on it at this time and I've not changed anything but the oil and filter (M1 synthetic). I don't want to do anything that's going to cause me detonation issues when pulling 10k lbs up an 8% grade for 8 miles (I see that when I travel east like I did recently with that enclosed trailer). I need this truck to pull 10k lbs, but I could use a bit more mileage (and extra power is a nice bonus).
12-27-2007, 02:16 PM
#62
my 04 silverado with ls1, cam(219/228 560 113lsa) , 4x4, 32" tires, e-fans, 3.73's extcab, shiftkit, rolling at 85mph got 21mpg. this was from maine to arkansas. 6 people in the cab and the bed was full of boxes for christmas and clothes.
04 tahoe AWD efans and tune 13mpg.
04 tahoe AWD efans and tune 13mpg.
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