Yeah Paul PHJ426 bought the 508 and the heads that Chuck at Best Machine didfor me (see the tech Archives), but last I talked to him he bought a Primo Black 70 440 Cuda so I think he back-burnered the Road Runner Stroker project.

Well when you get her running just get a hold of me and you can borrow my old ported SD,...the runners are around 3.25 sq in (about 15% bigger than the standard 906 window) so it's really too big to work with a standard Valley pan port, You'd have to cut the Gaskets special and seal the valley. I bet I could have pretty much filled a super big gulp cup with all the aluminum that came out of that thing.

I'm trying to remember, your other motor was a low deck 4.25 crank, right? the one with the Stage VI's and the Indy dual-plane?

btw....your 512 I think (if it's .030 over) is "only" a 505

Good luck Tony!!