Well I know this is always brought up.. My g/f dad has a 06 ext cab 4x4 lbz. It has ppe xcellerator and intake and exhaust on 33s and 20s. He is always talking smack to me about duramax this and dodge blows yada yada.. I wanna call him out.. What yall think? Ill be running smarty 4.2 on sw9 and tst on 4-0. It will be from a dead stop. Im going to do a 4hi 20psi launch of course.. Whats the predictions? I know Ill get hot but I figure if ill run it til about 80mph..