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Re: BN1/2 water pump

To: Michael Salter <msalter@precisionsportscar.com>, <healeys@autox.team.net>
Subject: Re: BN1/2 water pump
From: David Nock <healeydoc@sbcglobal.net>
Date: Tue, 29 Jun 2004 16:11:53 -0700
Mike, We run a 13 lb cap on the NEW water pumps all the time and hove no
problems. We have had the old original pumps leak when the pressure is
raised.
-- 

-- 
David Nock
               NEW  E-mail Addresses!!!

 David Nock, Technical Questions   healeydoc@sbcglobal.net
Sheila Nock-Huggins, Parts Questions    britishcardoc@sbcglobal.net

British Car Specialists  2060 N. Wilson Way   Stockton  CA  95205
 Phone 209-948-8767  fax 209-948-1030

http://www.britishcarspecialists.com



on 6/29/04 2:40 PM, Michael Salter at msalter@precisionsportscar.com wrote:

> Oh ones of great knowledge....
> We have to run a 190 degree thermostat in AXH12 to keep the engine
> temperature up for normal driving. Unfortunately this means that after a
> few hard racing laps residual engine heat pushes the temperature up to
> about 230 unless a couple of cool down laps are run, usually not
> possible in a Targa type of event.
> To prevent boil over under these conditions I am running a 14 lb
> radiator cap (we have a special custom built radiator) which solves that
> problem but has created another.
> The original water pump cannot handle this pressure and despite various
> modifications that I have attempted it still dribbles at anything over
> 9lbs.
> I am contemplating trying one of the currently available reproduction
> pumps but I was wondering if anyone on the list has had one of these
> apart and can tell me if they still use the original style of internals
> or if a more modern style of seal has been used.
> Many thanks,
> Michael Salter
> www.precisionsportscar.com





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