I don't want to come across as overly critical. Joe and his guys know more about VW engines than I could ever learn. I just want Revmaster to be around for a long time.I don't know what's going on. Next time I land in Hesperia I'll stop over and see what's going on with their shop.
And while you are shooting the breeze in beautiful Hesperia, ask 'em if they would ever considered selling a Type 1 head made just for airplanes. The head they use now has very good cooling, but at our RPMs we don't need valves as big as the street racers use. At our RPMs, smaller valves would give better VE and (more important) more metal/less cracking between the valves. Oh, and just put the second plug where everyone else does, eliminate the access port Revmaster puts in the valve cover.
There, >that< should start a conversation with the good guys at Revmaster!