[Fot] TR head cracks

[Mike Mehl]

I have unfortunately hadB experience with stitching a head.B  My first TR4
race motor had a stitched head (the guy who built itB repaired the head and
did notB tell me).B  It seems that with the added stress of a higher
compression race engine at high revsB the head flexed and caused blown head
gaskets.B  It might be OK to stitch a head on a street motor buy my experience
was not good on a race motor.B  I had a geyser squirting out of the
overflowB bottle.
Mike MehlB 
B       From: Tony Drews <tony at tonydrews.com>
 To: fot at autox.team.net
 Sent: Wednesday, December 24, 2014 9:27 AM
 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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