<VV> Spark plug thread repair-difference between a helicoil and a thread insert ?

[Charles Lee]

Did I remember "helicoil" wrong ?  I remember using an insert that fit
into an oversized spark ply hole to repair a damage head thread, but
maybe that wasn't an official "helicoil" ?

What's the difference between a helicoil and a thread insert ?



-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of HallGrenn at aol.com
Sent: Sunday, September 14, 2008 9:33 PM
To: dougmackintosh at yahoo.com; virtualvairs at corvair.org
Subject: Re: <VV> Spark plug thread repair - ??


Well it is not a K&D insert.  Try a typical broken bolt removal  tool to
get 
it out and then helicoil it (or use a K&D insert--I've got two  that are
still 
good after over twenty years.
 
Bob Hall



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