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Re: Electric fan setup?
I'm running a SPAL 16" electric fan on a stock 49 GMC radiator with a 350 and unless I'm idling for an extended time (long red light, drive through window) or I'm running over 60mph the fan never comes on. The sender is 200 on / 185 off. I also added a manual override toggle switch in case of sender failure.
Space and a low mounted 350 dictated the electric fan. So far after 1 yr no heat related problems...
In the pic above of the Stovebolt engine I believe thats probably a 55 or later 235 or 261 with the low waterpump, thats why is so low and not centered on the rad.
I'm attaching a pic of a stock 216 in a 49 3100 with the high mounted waterpump which centers the fan on the rad. I run a 160 thermostat in that 216 and never get above 185, even on 90 degree days. It's generally centered at 180...
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