Happy birthday!!!
Simple: 408 on steroids!
single digits coming soon!
Happy happy dude.
ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06
waiting to go in... 3.90s, 214/220cam
happy birthday mitch
MY GARAGE - http://www.ls1truck.com/forums/my-ga...ns-garage.html
2004 GMC Sierra - RCSB
Happy B-Day![]()
4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
Best ET 11.54@114 w 1.52 60ft
Raceweight 4905 lbs.