BTR GEN III and IV TRUCK CAM Truck Cam Kit
We compared the stock LM7 5.3L cam to the Stage 1 Truck Cam from Brian Tooley Racing (BTR). Check out the other tests run on 2002 Gmc 5.3 4x4 truck norris nsr cam shorty headers no cats/mufflers 5” tips 4.56 w posi stage 6 rpm 70e circle d 2800. Truck Norris cam showing it can indeed have manners with a stock converter. ...