Originally Posted by Matt
so lets get a list of hand calculated no bs mileage for your truck with given mods ...
2006 1/2 ton 4x4
5.7 stock
flowmaster dumped exhaust
3.92 gears
7" suspension lift
37x13.50x20 Toyo Mts
9.8-10.5 mpg 85% town driving i noticed a huge drop with the 37's vs the 35's there is a big weight difference between them
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changed the egr valve and i'm getting about 11.5 now and when you take in affect my tire size is off throwing off the mileage gives me just a hair under 13 average ... which is pretty good imo considering .. i don't get much better on the hw though