Originally Posted by sdhhsdh
I'm not looking to race my truck, lol, I just want what towing and efficiency help I can get.
Check this out, FOUR WHEELER Magazine's Project M.P.G.
I did this to my 460 when i had it and it is legit, it worked.
They finished with 343hp, 684 ft lbs torque , 12.23 city and hwy combined mpg, 13.51 hwy mpg, didnt touch any internals of the engine, And that battleship of a truck is a crew cab dually centurion...