> Aero was the 4 valve pentroof Cleveland heads mentioned above.
I think you mean Arao:
http://www.araoengineering.com/
Thunder Power marketed a similar 4 valve pushrod head for the BBC:
http://www.bacomatic.org/~dw/chevy/bb/bb.htm
> Did I mention that those 4 valve heads didn't work? Matter of fact they
> plain sucked.
Do you know someone who actually tried these? Arao has been around for
quite a while but I've never come across someone who has any experience
with them. What sort of problems did they have? I saw recently that one
of the Pantera guys bought a set of these but he hasn't run them yet.
Dan Jones