Just to be clear, a 10 Lb cap won't reduce "overheating". It just raises the
temperature (pressure) at which the radiator cap will release the pressure &
the radiator will boil over.
Gary Hodson
-----Original Message-----
From: Mark Donaldson <ardmorebusiness@xtra.co.nz>
To: 'john spaur' <jmsdarch@sbcglobal.net>; healeys <healeys@autox.team.net>
Sent: Tue, Feb 5, 2013 8:30 pm
Subject: Re: [Healeys] Radiator cap thermostat combinations
John,
In the thread following your question, nobody appears to have
mentioned that the later BJ7s and all of the BJ8s ran a 10 lb
long-neck radiator cap. All of the others up to that time ran a
long-neck 7 lb cap.
Some years back a friend had major overheating problems in a BJ8. I
checked the cap and discovered a short-reach 7 lb cap had been fitted.
I replaced it with the correct one and the problem was immediately
solved.
I am surprised that even today many owners do not seem to be aware of
this change-over, or that there are short-neck and long-neck pressure
caps.
Mark
Auckland, NZ
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