NSR CAM TEST-HOW TO MAXIMIZE 5.3L PERFORMANCE

DYNO RESULTS-NSR DAILY CAMS, HCI UPGRADE-ADD 140 HP! IN THIS VIDEO I COMPARED FOUR DIFFERENT CRANE DIRECT-FIT (NSR) CAMS TO THE STOCK LM7 5.3L CAM ON A STOCK 5.3L. THE ONE CAM I SUGGESTED THEY MAKE WAS NOT GOOD! THEN I REPLACED THE STOCK 706 HEADS AND STOCK CAM WITH A BIGGER CRANE CAM AND PORTED 706 HEADS FROM TEA. THEN I ADDED A FAST LSXRT INTAKE. FULL DYNO-MILD AND WILD!