Speedypeterb

iTrader: (16)

Does someone know the thread size of glow plugs standard metric fine course?

Geezatec

All I know is, don't install standard GP to a Turbo head, or visa-versa. Turbo GP thread are finer thread. may cross thread and damage the head.

mtmmotorcycles

Turbo plugs are M8 x .75 and standard plugs are 1/4 32.

Brendan

Ed Anderson

iTrader: (26)

I have both of these tap & die...

http://www.harryhigley.com/Tools3.htm

but they are for standard plugs. You can get them at any hobby shop.