disagreed. but your point has been noted... i will keep it in mind. i just dont think i can build a 6.0L to get more power then the 8.1L for less money... looking at the options, im between a diesel swap (not likely, but i have been tossing that idea aroung A LOT) a vortec 454 swap, or a vortec 496 swap because they bolt it.



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. ok so now you probably don't like me that's ok- i'm not done yet. I had a 2001 sub with 8.1 4x4 loaded, it did have a 6'' lift and 35's mpg: 11/12 thats it. it pulled great, and you might get close on your target mpg's on stock suspension. however i don't condone the swap. the guys that have suggested 6.0's are right. and last but not least you said there are ''NO PARTS'' and i quote again: ''NO PARTS''(all caps