hi i got my 89 5.7 w/ alpha 1 running real good. good oil presure, went to take it out today second ride to break in motor. got it warmed up , the motor was tapping valves for sure. took it back to the dock and adjusted valves . sounded real good. went and got 1 more quart of oil , it sounded great and then i got 100 yards or so and valves started tapping again..motor sounds great...????wrong oil????
bob/p
bob/p