Originally Posted by pittsburghracer
I read that link posted above and my planned 3 year rebuild never happened last Winter so I lowered my shift rpm from 7000
To 6700 rpm and ran it for a forth year. Everything must be ok as it was still cranking out 6.0 passes. Still same EDM lifters and Penn Grade (old Brad Penn) oil and a zinc additive for extra insurance.


Tool steel 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