Tune FTW!
These 6.2's pick up substantially from a custom tune.
2000 GMC Sierra 1500 RCSB 2wd - 454 LSX powered drag truck...
Have the Magnaflow on already. 5x7x22 big body, Waiting on TSP to come out with the ORY for 4x4 and will be getting their stainless ones. I just wish Alan used EFI for tuning so I could get an autocal from him.
debadging and wheels look great. Please do post up some pics after lowering it too.
99 C5 cam/boltons 400rwhp
10 Sierra CC 6.2
03 Suburban 5.3