<VV> Timesert removal

larry at forman.net larry at forman.net
Wed Feb 10 16:37:36 EST 2021

Hi Jim,
You did not say if the head is still installed.   If not, it might be
possible to drive it into the combustion chamber and trim off any
interference on the top side.  Definitely get a longer insert.   My
recommendation would be a TimeSert spark plug insert as they are pretty
much bullet proof and work very well for Corvair engines.


On 2021-02-10 12:47 pm, Charles h. Sadek via VirtualVairs wrote:

> I guess it depends on what you find when it comes out.  I'd try it. But do
> try and get a long enough one. 
> From: James Cuneo <jamescuneo at hotmail.com> 
> Sent: Wednesday, February 10, 2021 3:29 PM
> To: Charles h. Sadek <chsadek at comcast.net>; virtualvairs at corvair.org
> Subject: Re: <VV> Timesert removal
> Update:
> I do not think it is a timesert after all. It appears identical to the
> Spark Plug Rethreader Kit sold at local FLAPS. I used one of these 40 years
> ago with no issue on a 140. Any reason not to use again assuming I can get
> the botched one out?
> Jim C.
> _____  
> From: James Cuneo <jamescuneo at hotmail.com <mailto:jamescuneo at hotmail.com> >
> Sent: Wednesday, February 10, 2021 12:05 PM
> To: Charles h. Sadek <chsadek at comcast.net <mailto:chsadek at comcast.net> >;
> virtualvairs at corvair.org <mailto:virtualvairs at corvair.org>
> <virtualvairs at corvair.org <mailto:virtualvairs at corvair.org> >
> Subject: Re: <VV> Timesert removal 
> Thank you Chuck.
> It appears the problem was that they did not chamfer the hole, therefore the
> flange of the insert is not flush with the head.
> Then it was overtightened, causing the flange to crack creating a poor
> gasket surface, as well as causing the sparkplug electrode to not extend
> into the combustion chamber.
> Also, the length of the insert seems to short, creating a large void around
> the tip of the sparkplug.
> Thanks,
> Jim C.
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