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Old 09-21-2022, 09:04 PM   #281
vintovka
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Join Date: Aug 2016
Location: Hunkered Down
Posts: 1,792
Re: 50 years ago I was given this USAF 54 3100

Already have the biggest most powerful fan i could get at the time

Spal 30102113 Puller Fan (16In High Performance Race ; Curved Blade; For Use W/ 40Amp Fuse at 13V),

The kicker is they say not to use it as a full time fan. Not sure why that's the case. Its wired direct and will cool the stopped hot engine fast. Keeps running on the 195F thermostat driving. Only other options include adding a shroud as fan only covers a little more than half radiator surface. Big fan is noisy too. Will add a "fan on" light soon.
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