12sec.5.3

iTrader: (1)

Thanks to Allen Futral for doing a great job on tuning my truck. Final outcome was 422rwhp and 419rwtq on a n/a 370 . It feels stupid fast on the street. Just kinda scared for the rear end on the track. Traction is a major problem.

hirdlej

iTrader: (31)

What do you have done to the motor? cam specs as well?

12sec.5.3

iTrader: (1)

l92 heads, l76 intake, heads ported and flowed, comp custom grind for heads