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  1. Engine & Performance
    So what first started as a potential cam/valve train upgrade on my basically stock 2004 L59 5.3 (BTR stage 4 V2 truck cam, summit LS7 lifters spec lifters, and summit push rods to match, BTR beehive .660 valve springs, btr ls hat valve seals, and other odds & ends needed for job) I originally...
  2. Engine & Performance
    I have a 2001 Chevy Silverado z71 with a 5.3 vortec I have dual exhaust ran and I just put a 130 amp alternator and change out plug plug wire and coil packs to high performance next(long list) I know I want to cam my truck but I have no clue where to start or what else I may need to but along...