So I am i just picked up a 1986 f350 4x4 with a t19 and a 6.9 from my grandpa for $650. My plan is to make this ol truck into an eye catcher but would also like to try and get 450-550hp out of the 6.9 as well. I know that's a lot of power for a 6.9 and i've done a ton of research on the idi...
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