Re: [Healeys] Head Gasket

[Bob Spidell <bspidell@comcast.net>]

I was about to jump in and say "But, but, but .... pressure only raises 
the boiling point but, for once, I did some 'research' first:'

"Pressure in a cooling system is vital for keeping water in contact with 
the metal surfaces of the cylinder heads and block."

https://www.motortrend.com/how-to/understanding-the-cooling-system-cool-under-pressure/


On 2/24/2022 7:01 AM, john harper via Healeys wrote:
> Alan
>
> Many A90 Atlantics suffered overheating. The club developed a fairly 
> simple adapter that screwed in place using the thread of the normal 
> cap on the outside to which a shape of a 7 psi AH100 pressurized cap 
> fitting was added. It improved the engine cooling in many of the cars 
> that were prone to boiling over.
>
> Best regards
>

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