Re: [T3] Spark Plug Heli-coil

["Jim Adney" <jadney@vwtype3.org>]

On 9 Aug 2008 at 18:48, Know One wrote:

> > but in the end, I ended up using a threaded sleeve
> 
> My wonderful '64 Deluxe bus had one of these in it
> when I bought it. About every 2000 miles or so it
> worked it's way out and I would hear the POP of it if
> I failed to remember to tighten it up routinely.
> 
> There is something that needs to be done to them
> (swaging was mentioned) to keep them in place.

I prefer the Heli-Coils over the solid inserts for several reasons, 
but one of them is because they tend to come out any time you take 
the spark plugs out. And a Heli-Coil will never work out on its own.

Yes, you can screw up a Heli-Coil by being careless when threading in 
a new spark plug, but the same carelessness will also ruin the 
threads in a new head. Do this with care, and a Heli-Coiled thread is 
better than a new one.

-- 
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
*******************************

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