Max lift/stock slugs

Now this was a 5.2 I put LA heads on with external oiling and a 284/484 purple shaft flat tappet for my son, going by memory.

It was 2-3 degrees advanced and had room all over except when the intake valve was chasing the piston, it started to get tight, maybe .090 thou.

With no valve reliefs the duration and intake opening after TDC was the only critical spot.

Check that out close.