Thread Repair Insert Info and links [was Re: 16v head problem]

[vze28h54 at verizon.net (Chris)]

What type of insert?  A properly installed HeliCoil should remain in place. 
(And should require a special tool from Helicoil to remove the 
insert.)  See:   www.emhart.com/products/helicoil.html   for information.

Also see additional insert 
types:    www.keensert.com/                    (Carroll Smith, if you know 
who he is, likes these. If you don't know who he is look him up on 
Amazon.  If you want to know how to put a car together, read some, or all, 
of his books.)

         www.timesert.com/       Their Big-Sert line says  ". . Will repair 
oversize holes which have previously been repaired."

Pedergrass Tool Specialist, 2635 W. Woodland Dr, Anaheim, CA,   92801 
carries these.

You can probably find more information ("How To") about these items on the 
Web.  Some require special tools which can make it more cost effective to 
have a machine shop do it.  Plus, they do these all the time and a 
competent shop can do a good job.

To my knowledge, all (or at least most) thread repair inserts are designed 
to lock in place when properly installed. (Otherwise, what's the point?)

I have had good luck with HeliCoils (smaller than the spark plug 
size).  They installed just like they were supposed to.

Good luck,

Chris

At 05:46 PM 02/17/2004 -0800, Derrick flo wrote:
>Hi list.
>
>I have a 16v head and #2 spark plug hole is messed up.  the previous owner 
>installed a insert but it comes off with the sparkplug. Does anyone know 
>of any options to fix the hole?
>
>I have 2 other heads one is half ported and the other  has 4 exhaust studs 
>broken off inside the head.
>
>If it was your car would you do?
>
>
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