[Healeys] Radiator cap thermostat combinations

john spaur jmsdarch at sbcglobal.net
Tue Feb 5 19:27:47 MST 2013


The archives mentioned the change from 7# to 10# and I have both in 
1" long neck. I purchased a 10# long neck caps from a tractor 
supplier and looks like any other cap. I was trying to decide if I 
should purchase the Moss thermostat with the sleeve and bellows and 
go back to a 10# cap but decided not too.

John

At 03:09 PM 2/6/2013 +1300, you wrote:

>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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