Yamabond #4. Most folks recommend the Copper Coat, but I believe Yamabond
works better for keeping oil and water in their places. Also, you need to be
sure the cylinders stand properly proud and both the head and block are flat.
Gaskets can't compensate for that and still seal in combustion gases. Remember
that the copper gasket is not really compressible. The surface is soft so
little irregularities and defects can push up into the copper, but if the prep
isn't right they won't work much better than the shim steel gaskets.
On Jul 13, 2010, at 8:08 AM, Barr, Scott wrote:
> I've had trouble getting my copper head gaskets to seal on my Spitfire
> motors unless the head and block surfaces are very, very smooth (and
> clean). Once the surfaces were smooth, I had reasonable luck getting
> them to seal using spray-on Copper Coat, spraying it on both sides,
> hanging it to dry until it was tacky.
>
> Ultimately, I have gone back to the composite gaskets - the Payen gasket
> with the rubbery surfaces. They work every time.
>
> Scott
>
> -----Original Message-----
> From: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] On
> Behalf Of William Collins
> Sent: Tuesday, July 13, 2010 9:35 AM
> To: 'Friends of Triumph' Triumph
> Subject: [Fot] Spit 1300 racer head gasket issues.
>
> I have been having head gasket issues for awhile now and finally went
> with a
> solid copper gasket from Gasket works that actually was designed to
> lower
> compression a bit. It leaked oil at ECR, so the head is off again and
> I'm
> looking for a gasket dressing/seal that will get this done for the rest
> of the
> year. Can't get a response from Gasket works, and Moss recommends
> Hylomar.
> Suggestions?
> Bill Collins
> Euless, TX
> '72 spit /1296 sj
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