[Healeys] radiator thermostat

Leonard Hartnett thehartnetts at earthlink.net
Thu Sep 18 23:24:17 MDT 2025


I purchased my Healey while stationed at RAF Bentwaters in England about 80 miles northeast of London and about 10 miles from the English Channel.  The average annual temperature at Bentwaters is 46  to 72 degrees F.  

Perhaps because the temperature was relativaly cool AND the fan was so noisey, I removed it.  I found that as long as I could keep moving, the engine did not overheat.  I was not in a heavely populated area that involved a lot of stop and go traffic or long idles.  Back to the US and the Sacramento Valley area, the fan had to be reinstalled.

Returning from a meet on Vancouver Island, the fan threw a blade in Washington..  It did some major damage to the radiator.  We were able to get the damaged tubes soldered closed and drove home with the damaged radiator and without the fan.  Mostly Interstate, thank goodness.  Made it home successfully.

I tried an electric fan alone but it was not successful.  I left it installed but put the engine fan back on..  The electrec fan is thermostatically controlled and only comes on when the temp rises.  I do not know what that temp is but I think it is about 180 degrees.   Some have suggested that mounting an eletric fan blocks the radiator.  I have not found it to be a problem. 

Double your pleasure, double your fun (Doublemint Gum) 

              The Other Len
1967 Austin-Healey 3000 MkIII BJ8
                HBJ8L39031
               225,936 miles


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