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Rich, Continue using the Brad Penn. Why did you stop? Also I use the Lucas additive and I have NO noises and NO problems. I am not a big additive guy but the Lucas products seem to be on target for many things. I use 15W/40 Brad Penn from a guy in North Carolina that I buy it from. He mixes it for me. I use it in my 69 Z and my hudraulic lifter 69 SS nova.
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Sam, I chose to run the Castrol, 20W50 conventional oil to let the rings seat in.. Maybe sometime I will switch to the Brad Penn synthetic oil.... After the rings seat I want to at least try the Lucas additive with the Castrol 20W50 and see how that works...
Thanks guys for the replies.... PS the cam is hydraulic
Rich