well, for my lil 5.3L with my current upgrades, that cam, stall and ud pullies, I think I might trow 340rwhp (hopefully).. Plus the NOS.. But I'm not sure how big of a shot I should do..
06' Silverado RCSB 5.3L 4wd..
PERFORMANCE: Cam, Springs, Pushrods, P&P heads & 3 angle valve job, Injectors, PS LT's & ORY, Nelson Tune, Catback, CAI, Comp Cam Double Timing Chain, HP Oil Pump, UD Pullies, ARP bolts, Stall, TBS, 4.10's, Iridium NGK's, G-80, 160 t-stat, HD-2 & Vette Servo, 46,000 tranny cooler, 75-125hp shot of funny Gas..
HID's Hi, Lows & Fogs
Waiting to be installed: LC-1 WB & Standalone system