parnass@ihuxf.UUCP (Bob Parnass, AJ9S) (08/24/84)
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Have any of you owners of full size Blazers (or Chevy/GMC
trucks) replaced the fan with one that moves more air?
I have a 1980 4wd Blazer
- with heavy duty cooling
- without air conditioning
I've just had the radiator core, radiator cap, fan clutch,
and thermostat replaced. Also replaced were upper and lower
radiator hoses and clamps (total bill = $463). The OEM core
self-destructed apparently after repeated operation at high
temperatures and pressure, despite normal indication on the
temp gauge.
The owner of the radiator repair shop pointed out that the
OEM 3-blade fan really wasn't sufficient to move air through
the radiator on hot days. He couldn't locate a fan with
more blades that would fit the Blazer.
I'm interested in whether anyone has tried a fan with more
blades for improved cooling performance in their Blazer/GMC
Jimmy.
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Bob Parnass, Bell Telephone Laboratories - ihnp4!ihuxf!parnass - (312)979-5414