someone may have restricted the oil flow to the lifters, pull the front lifters out on pass side & get a oil pump priming tool & spin the oil pump, you will be able to see if you have good oil flow to the lifters.
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
