I just got a 95 z28 with the LT1 motor a couple of weeks ago, so I'm kinda new with this motor. When I start the engine when its cold I get a tapping in the motor when accelerating. the noise kinda goes away once the engine is warmed up . Is this something where the valves just need to be re-adjusted ???? Any help would be greatly appreaciated. I had a s-10 years ago with a 4cyl and made the same noise , never got it fixed but being that this is a lt1 i would like to fix the problem .