In my experience this usually happens when the radiator is plugging
up or the fins are deteriorating.
Peter C
===
At 06:48 PM 7/31/2006, Robin Camblin wrote:
>I have a 67 MGBGT with an early 5 main stock engine, I've tried about
>everything I can think of to correct a extremely hot temp. It seems that
>the gauge will rise to 180 plus in less than 10 minutes and climbs up to 200
>to 205 while on the freeway. After about 20 miles I exit and then do
>surface streets, avg about 45 mph and the temp goes down to around 185. All
>hoses have been replaced; thermostat is a 165, radiator flushed, etc. I was
>wondering if I should replace the water pump next it is not leaking or seems
>in any way out of sorts, could it not be pumping at high speed? Any
>thoughts or comments is well appreciated.
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