I have a AP engine, As for the glow plugs, I don't remember where but wasn't there a head you could use a standard glow short plug in, Might be easier and cheaper than trying to find the Norvel or Cox's plugs, If any of you remember the heads and know how they work I might try making one for mine, I work in a machine shop and get to play with the machines after hours HEHE.
Dauntae