I have replaced the lifters and the poblem appears to be gone. I had tightened the rockets to tight and the lifters no longer lift!

Thanks for everyones help. I did test most of the ideas, and have stored them away for next time!

Waggy
Chev- Sedan 36,Apache 59,Longhorn 69, Chrysler 300 - 1970 conv, Ford Prefect 49, International L130 1950
Surrey, BC, Canada