Thanks Guys for the input, solid roller is next & freshen up the short block, no more flat tappet cams for me ever again. Howards is going to call me ,they want to talk to me about this problem.
Thanks again everyone !! smile

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5