What did you do today not on your truck...

[57taskforce]

Originally Posted by 72c20customcamper

Found my valve noise on the 496 in my Chevelle #6 exhaust valve lock nut was loose causing the adjuster to back off . Only thing that stopped it from coming off it hit the valve cover. Cam looked perfect so I adjusted all the valves started her and no more clacking. Little strange as the motor was broke in on a dyno ran flawlessly.

Are your rocker studs still tight? I’ve seen the screw in studs back out before. Obviously the pressed in studs are known to pull out from time to time.