4.56 Gears

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Supercharged111

Truly Awesome
Joined
Aug 20, 2015
Messages
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Exhaust really kicks these things in the ass. Back in MI I'd be more than happy with my trucks. In CO, they get me by.
 

Madscientist

I'm Awesome
Joined
May 15, 2019
Messages
245
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Location
Southern MN
Heads are where the power is made. Air in and out! I have owned several duramax trucks and they will tow 4 times what our trucks will. Ive cranked some wicked power out of an 2005 lly. 565rwhp snd 992 ft/lbs. Even a stock one with a mpg/tow tune will do crazy things. My 04 1 ton would tow my then 42' toy hauler at 18k lbs loaded at 85mph at 9mpg.
 
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