Originally posted by Scott
Yep, want to go fast get a turbo. 
No need for high dollar trick heads and all of the pther things that go with them.
No no...they were stock LS1 castings. They are still reworked with larger valves and porting. Probably flow in the 300 cfm range at .600 lift. About a $1400-1500 head if I had to guess.
__________________
if it's cheap & reliable, it ain't fast, if it's fast & cheap, it ain't reliable, if it's fast & reliable, it ain't cheap
