I run a Texas cooler fan too and like it.
However, because it is a flexible blade fan the blades flatten out at higher
engine RPM's and as a result pull less air. They are designed this way to
lessen use of engine power at high RPM's when higher road speed presumably
force sufficient air through the radiator without the need for a lot of air
pull by the fan.
Vrooom vrooom,
John
> --------------------------------------------------
> From: "Ron Mitchell" <healeyron@yahoo.com>
> Sent: Saturday, July 24, 2010 11:32 AM
> To: "Jeff Pelletier" <jeff@pellfam.com>; <healeys@autox.team.net>
> Subject: Re: [Healeys] still too hot...
>
>> I had the radiator recored for my MkII BN7 Tricarb before the Vermont
>> Conclave.
>> With a 190 degree F thermostat I can start my car in any kind of
>> hot weather and
>> it let it sit for as long as I like and it stays at 190
>> degrees. No problems in
>> traffic at any ambient tempurature. I do have a
>> six blade Urethane Texas
>> Cooler but I only put it on because I won it in a
>> raffle a few years ago.
>>
>>
>> My problem is that the faster I go the hotter It
>> gets. I've been trying for a
>> long time to get it to run cool on the highway
>> but no success. Tried all the
>> usual things with failed results. I'll be
>> leaving for Encounter in a couple of
>> weeks and am currently in the process of
>> making an all effort to get it to run
>> cool at speed. Had the Radiator
>> reversed flushed today. Removed water pump to
>> make sure the impellor hasn't
>> disintegrated noticed the pulley dia. is only 4
>> 1/2 in. dia. My BN6 has a 5
>> 1/8 dia. pulley. Both use 3/8 belt. Any idea on
>> which dia. is correct.
>>
>> Will be removing the Distributor to check wear on the centrifical
>> advance system
>> and correcting any problem that may appear.
>>
>> Hopefully it is
>> the centrifical advance that is not working properly at higher
>> RPMs that is
>> causing the the engine to run at 212 degrees F at 3000 RPMs.
>>
>> Any
>> suggestions.
>>
>> Ron Mitchell
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