guys ive fooled with gas engines all my life but im new to diesels never owned one at all.I have a 2000 denali with a gen II 5.7 vortec/4L60e and it dont tow like i want it to so i thought about selling it and buying a 2500HD but got to thinking a 6.6 swap maybe cheaper.Ive seen pictures but nothing real technical its 4X4 and i wanted to keep it so guys where do i start?
