Quote Originally Posted by Stan Reid View Post
I believe this 1959 U. S. Grand Prix was the first and last time that an Offenhauser engine ran in a regular Formula 1 World Championship Grand Prix event. The Goosen engine in the 1960 Scarab was a 4 cylinder engine out of the Meyer-Drake-Offenhauser organization but I don't think it could be called an Offy because it had a desmodromic valve system. I also believe that it was not a fixed-head or 4-valve engine - other "musts" for an Offy.
Very interesting. Most reports of the Scarab car casually refer to it as Offy powered, but i see the distinction that you point out.
Incidentally the 1960 Indy 500,an all Offy powered event would be the last outing for an Offy in World Championship races.