[914Hugh]

I think the Porsche purists would come back with the arguement about the angle of the spark plug in using the regular typeIV. (Notice I didnt post this topic in the 914 forum (I really respect Porsche design in general, but I also appreciate the progress of other cars as well. There are limits of what I respect though. For example, was the 914 really built to be driven in the heat that I live in (FL). I digress.) Nonetheless, I was reading in an engine book (American) the other day, and they said that it was the location of the plug and not the angle that made the difference (I myself do not have enough exprtise to know who is right).

Also from my reading, it sounds like a bad idea not to use the sodium filled exhaust valves, given the heat that these engines have to deal with. Any more opinions?

Lastly, going to the standard type IV head, you would also have to deal with the 3-bolt to 4-bolt intake manifold change. Since the buses also had FI, I assume it wouldnt be hard to find them.