Hi Steve:
With some possible exceptions my guess is that the field experience
you've had with Bj8 coolant temperatures - described in your posts to the list
parts 1 & 2 - is typical.
I wonder how many temp gauges have been checked - verify the needle is
indicating 212F in boiling water/altitude factored in. That would be another
good starting point to diagnose a possible heating issue.
Dick Matson / Bj8
----- Original Message -----
From: BJ8 Healeys<mailto:sbyers@ec.rr.com>
To: healeys@autox.team.net<mailto:healeys@autox.team.net>
Sent: Thursday, July 16, 2009 9:24 AM
Subject: Re: [Healeys] thermostat discussion - Part 2
I am not convinced that Big Healey cooling systems have the capability to
"overcool" the engine. The system was not designed to a gnat's eyebrow by
computers, and most parts came out of the BMC parts bin and were not
designed specifically for the car. The close quarters of the engine bay and
the marginal size of the radiator made such modifications as fender vents
and bonnet louvers necessary even on the works cars and are still being
installed in an effort to get the heat out of the engine bay.
By the way, the factory parts manual lists a blanking sleeve to close off
the bypass "For use in extremely hot climates in lieu of thermostat".
Apparently, the factory didn't consider leaving the thermostat out would
cause the coolant to flow too fast for the radiator to cool it.
Steve Byers
HBJ8L/36666
BJ8 Registry
Havelock, NC USA
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