hey guys i was over at the gmfullsize.com website that i use to be on and came across this. this is a 6.0 motor and it does 20-60 in 6 seconds and thinks its fast. also i think he just rebuilt it with a bigger cam.
http://s122.photobucket.com/albums/o...Motor25-90.flv
heres the info on the motor
I tore the whole thing apart, had it bored 20 over (4.020)
all new pistons (not forged), bearings, new 918 springs, retainers, and keepers
all new gaskets,
reused the stock valves, had a valve job done, new valve stem seals,
LS2 timing set (non-adjustable)
LS2 lifters - the $100 ones
Harland Sharp Roller rockers
Comp cam