Years ago, I remember taking a TR3 head to a place in Long Island City, New
York called Cool Weld. Using a process called "cold welding" they patched a
combustion chamber. This wasn't a crack, it was a hole but it worked on cracks
as well.
That was my back-up head and it worked fine for several races and also for the
guy who bought the car.
Mike Cook
> Date: Wed, 24 Dec 2014 13:03:52 -0500
> From: dmitchel@sbcglobal.net
> To: tony@tonydrews.com; fot@autox.team.net
> Subject: Re: [Fot] TR head cracks
>
> You might check into an old-school technique of cold stitching. Not sure if
it works on a head, but have seen it done on blocks. Not cheap and intensive
work, but it can recover a block.
>
>
> Doug
> dmitchel@sbcglobal.net
> Sent from my mobile phone
>
> -------- Original message --------
> From: Tony Drews <tony@tonydrews.com>
> Date: 12/24/2014 12:27 PM (GMT-05:00)
> To: fot@autox.team.net
> Subject: Re: [Fot] TR head cracks
>
> I received a picture of the head - the crack is to the point where if
> it grows any further there will be definite sealing issues on #2 and
> probably #3.B I like this suggestion - a hole to stop the propagation
> and silver solder to seal it back up.B I'll have to remember that one!
>
> When I went through the "cracked head" issue (mine wasn't
> repairable), someone suggested "stitching" which is a series of
> threaded plugs run through the crack.B That's the only other fix that
> comes to mind.
>
> Cheers, Tony Drews
>
> At 05:53 AM 12/24/2014, MadMarx wrote:
> >You can stop the crack with a hole at its end and solder the crack with
> >silver solder.
> >Seems to work fine with a good success rate.
> >
> >Cheers
> >Chris
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