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Re: MGA Block-coolant galleries

To: "Max Heim" <mvheim@studiolimage.com>, "MG List" <Mgs@autox.team.net>
Subject: Re: MGA Block-coolant galleries
From: Larry Macy <macy@bblmail.psycha.upenn.edu>
Date: Thu, 31 Aug 2000 20:43:52 -0400
Not sure about an A but the 1500 Midget stock cap is 7 lbs.

Larry

>>>>On 8/30/00 5:40 PM so and so (Max Heim) said. (And I quote:)

>Isn't a 7 lb. cap a little low? A sealed system would have a 12 or 14 lb. 
>cap, I would expect. It would operate more efficiently at a higher 
>pressure, I would think. I'm not familiar with As, however... but temp 
>shouldn't climb at a 60mph cruise, that's for sure. Maybe an oil cooler 
>would help?
>
>Edwin McCarroll had this to say:
>
>>Is there a solution recommended for flushing out the head and block 
>>coolant galleries?    I really can't tell if there is any blockage, 
>>partial or otherwise, in the system, but thought that either a strong 
>>alkaline or mildly acidic solution might dissolve anything adverse that 
>>might be in the way.   The engine is in the car.   I have isolated the 
>>engine from the heater and radiator and removed the thermostat.   I have 
>>tried other routes towards better cooling, including adding another row to 
>>the radiator, and trying a seven lb. cap.    Also water wetter.   Things 
>>have improved, but still am experiencing a gradual climb in temp. at 
>>60mph. over time.   Timing seems to be ok.   Any suggestions? 
>>
>>
>
>
>--
>
>Max Heim
>'66 MGB GHN3L76149
>If you're near Mountain View, CA,
>it's the red one with the silver bootlid.


Larry Macy
78 Midget

Keep your top down and your chin up.

Larry B. Macy, Ph.D.
macy@bblmail.psycha.upenn.edu
System Manager/Administrator
Neuropsychiatry Section
Department of Psychiatry
University of Pennsylvania
3400 Spruce St. - 10 Gates
Philadelphia, PA 19104

 Ask a question and you're a fool for three minutes; do not ask a 
question and you're a fool for the rest of your life. 


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