Mine had some part throttle ping under heavy load from the factory. Logged it in hp tuners and pulled 2° of timing where it was knocking. No more problems.
Mine had some part throttle ping under heavy load from the factory. Logged it in hp tuners and pulled 2° of timing where it was knocking. No more problems.
99' Silverado RCSB Z71: 5.7L Iron LS1, 11.2:1, Custom EPS Cam, Ported 862's,Ported TB, E-Bay Cold Air, E-Bay Long Tubes, Dynomax X-Pipe Exhaust, Electric Fans, Innovative LC-1, Self Built 4L60E, Circle D Pro Single Disc, 4:10 ValueTrac
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