[cycleguy55]

Originally Posted by patrickt

And speaking of Chevrolet, what do you think the installation guide from Chevrolet lists as the minimum oil pressure at idle (1000 RPM) for a nice, new 454 HO crate engine? Answer: 6 psi.

https://www.chevrolet.com/content/da...e-12568774.pdf

I also note the recommendation for 5W30 non-synthetic. No mention of ZDDP as that's a roller cam engine.