<VV> plug thread inserts

[Dennis PLEAU]

Helicoil spark plug inserts are solid and identical to the KD and ones from NAPA.  I'm guessing helicoil makes them for everyone.
 
dp



> Date: Mon, 22 Sep 2008 00:52:03 -0400> From: corvairduval at cox.net> To: dougmackintosh at yahoo.com> CC: virtualvairs at corvair.org> Subject: Re: <VV> plug thread inserts> > Glad it worked out.> > All the "Helicoil" type inserts have the same threads per inch, as they > have the same threads per inch on their outer surface as the inner > surface the spark plug screws into. This is because the inside is the > same wire as the outside.> > The solid style insets, like KD, can have any outside thread per inch > specs the manufacturer wants, as the inside and outside are removed from > each other by the solid wall. The inside TPI must still match a 14mm > spark plug thread.> > I like the K-D style as the hole does not need anymore enlarging (no > drilling) and can be done on the side of the road. Just grease the tap. > The leftover aluminum chips seem to blow out the exhaust on startup.> > Using the same style insert was the best way to go.> > The idea of a shop vac blowing is great for shop installed inserts. I'll > file this idea away for later.> > Frank DuVal> 
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