[Fot] Fwd: Valve cover gasket sealant

[Mike Harmuth]

---------- Forwarded message ---------
From: Mike Harmuth <ofracer at gmail.com>
Date: Fri, Sep 1, 2023 at 7:42 AM
Subject: Re: [Fot] Valve cover gasket sealant
To: Greg Blake <gblake58tr3 at icloud.com>


On the Triumph's I have with alloy covers, I glue the gasket to the block
with black RTV sealant and leave the cover side glue free. Doing it this
way, you build a dike of gasket material around the flat head surface that
holds oil in, even with the cover off. Clean the block with a solvent, put
the RTV on the gasket (works with all kinds) and use the cover to hold it
in place for 24hrs (overkill) to make sure the RTV has cured. After that,
the gasket stays in place for years and the oil stays in the engine.

mike h

On Thu, Aug 31, 2023 at 11:28 PM Greg Blake via Fot <fot at autox.team.net>
wrote:

> I do this. Works great.
>
> Sent from my iPhone
>
> On Aug 31, 2023, at 19:41, J Wagner via Fot <fot at autox.team.net> wrote:
>
> 
> Speaking from my experience when I used to make custom silicone valve
> cover gaskets for the stock covers…
>
> <image.png>
>
> If I had an alloy cover and a flat silicone gasket… I would clean the
> cover mating surface and glue the gasket to the cover with a generous bead
> … and either set it on a very flat surface or on the engine…  and either
> put a couple pounds of weight on top of it or screw the cover down a tad.
>
> You can clean up any initial squeeze out with Q-tips.
>
> Let the silicone cure 24 hours.
>
> Then just bolt down to your preferred torque.
>
> this serves two purposes….
>
> 1.  It will help the gasket resist popping out from heat expansion or from
> pressure..
>
> 2.  It will make it very reusable by only attaching itself to the cover
> and easier to replace as remnants of an old silicone can be removed on a
> bench rather than scraping the head.
>
> This all said…. Do hear out the opinions of fellow racers that sport alloy
> covers.
>
> —Justin
>
>
>
>
>
> On Aug 31, 2023, at 1:38 PM, Doug Mitchell via Fot <fot at autox.team.net>
> wrote:
>
> 
> In the attempt to get my Spitfire back on the road this year, I changed
> the oil and filter. As I was pouring oil in, I noticed that oil was pouring
> out at the back of the valve cover. Since I have an alloy valve cover, I
> ordered a silicon gasket.
>
> Any recommendations as to a sealant to keep the oil inside the valve
> cover? Or is that gasket going to be enough?
>
> Regards,
> Doug Mitchell
> dbm.spitfire at gmail.com
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