[Healeys] Radiator Cap

[Oudesluys]

Forgot to mention that if you use an overflow reservoir, you have to fit 
a thin rubber washer (cut yourself from a fairly hard rubber sheet) 
between cap and neck to insure a really airtight seal. The brass or 
stainless "seal" from the cap is not sealing properly.
If the seal is not airtight the coolant that is expelled into the 
overflow reservoir will not be sucked back into the radiator when the 
engine is cooling down. When an overflow system is in operation fill the 
radiator to the brim and the reservoir half way up. You will have to add 
some coolant regularly in the beginning as trapped air in the engine and 
cooling system will be expelled when the engine heats up.
Kees Oudesluijs
NL


Op 20-8-2012 22:14, john spaur schreef:
> I checked the archives and some people are changing from a 7 pound cap 
> to a 10 pound cap. I believe one needs to change the radiator neck 
> from a 1" to a 3/4" to change the cap.
>
> Have people noticed that the new cap is fine and not over pressurizing 
> the radiator and making it look bloated?
>
> Any other issues to watch for?
>
> Thank you,
> John Spaur
> San Jose, CA
> '62 BT7
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-- 
Kees Oudesluijs
Dorpsstraat 183
2995XG Heerjansdam
T: 078-677 1233
E: coudesluijs at chello.nl

Technische commissie Jensen Healey en GT
Het Jensen Genootschap Holland
www.jensenholland.nl