A properly sealing cap will greatly enhance the cooling ability of the
radiator. It won't keep up if its not sealing right. Check the seals on
the cap. Check the sealing surface of the radiator. Perhaps its bent. It
must be flat. Lastly, have the cap checked or buy a replacement.
Peter S
----- Original Message -----
From: Dean Rayner <deanr@saville.co.uk>
To: <spitfires@autox.team.net>
Sent: Wednesday, July 07, 1999 9:16 AM
Subject: Vanishing Water.
>
> Hi
>
> I have a strange cooling problem.
>
> My original Stanpart radiator sprung a leak, so I replaced it with a
> second hand 'Coventry Radiator Co.' radiator. (after-market patten
> part)
>
> Since then, every time the engine gets hot, ie. worked hard, coolant
> escapes past the radiator cap and into the expansion bottle. The
> engine over heats and I have to top it back up with water before
> continuing.
>
> I have checked the cap and it is a 13lb one as it should be.
>
> What do you think is happening? Is the cap which worked fine on the
> Stanpart radiator not sealing properly now??
>
> The new (old) radiator does not seem to have as many cooling fins as
> the Stanpart one. Is it not as efficient and therefore boiling up too
> easily?
>
> Your combined wisdom would be very appreciated.
>
> Dean Rayner
> MKIII Spit '68
>
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