Hi Patrick,
After trying every combination of sealant including gluing the cork to
both the r/c and the head, I changed to a silicone gasket and that
completely fixed the leaky rear main seal kit I was having so much
trouble with.
Cork doesn't flex and there aren't enough fasteners to keep the cork
compressed at all times. The silicone is flexible and allows the r/c
to move around while still maintaining a positive seal.
http://www.gasketinnovations.com/product-page/austin-healey-100-6-3000-silicone-valve-cover-gasket-for-stock-valve-covers
Andy.
On 4/7/18, Patrick & Caroline Quinn <p_cquinn at tpg.com.au> wrote:
> Hello
>
>
>
> Having a lot of fun trying to stop a leak from the rear of the rocker cover
> of the BN3.
>
>
>
> It's a standard early C-series six-cylinder and pressed steel rocker cover
> with dome shape nuts.
>
>
>
> The question is whether the accepted practice is to stick the cork gasket
> to
> the rocker cover with no jointing compound between the gasket and cylinder
> head. OR is the accepted practice to apply jointing compound to both
> surfaces?
>
>
>
> Hoo Roo
>
>
>
> Patrick Quinn
>
> Blue Mountains, Australia
>
>
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