In <Pine.3.89.9602191058.A8144-0100000@argus.oip.mil>, James D. Howard II wrote:
It is now back
>to normal on the flats and 212 at the top of the hill. All this is
>with the heat on.
>
>My 72 MGB has climbed this same hill on a 120 degree day without the
>heat on and the temperature gauge has read normal at the top.
>My Dad says when he owned a 67 B (when it was new, 29 years ago), that
>he drove across Oklahoma in 120 degree heat and the temperature gauge
>did not budge. This makes me think I just need to recore my radiator.
>However, methinks a larger capacity unit would be a good investment.
>Perhaps I should swap my two radiators and see if it makes a difference.
>
Check your water pump. Water pumps are fairly cheap. Leakage is not
their only failure mode. The impellor can erode, and if clearance is
raised even a little the efficiency drops significantly.
A. B. Bonds
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