Performance Forums > V6 or Straight 6 Engines
engine temp
grfishmaker:
--- Quote from: the old trucker on May 07, 2010, 04:16:52 pm ---
Grfishmaker when your ford engine reaches 200 degrees does the fan cut in automatically do you have it mounted direct to the pulley ??
OT.
--- End quote ---
My fan is run direct off the pulley. I was told by someone last year to stay away from the clutch fans. This past winter I installed a new carburator, new maifold, new water pump, stainless steel thermostat and a five blade fan. After I did all this, the snow melted and never got to put her to work. One thing for sure, I now have motor fumes in the cab (never had this problem with the old four blade) and will have to block off the tunnel next fall. So for sure, there is no comparing the air movement with this fan. Now as soon as you open the motor door, the air movement is very noticable.
Averyman:
I put a 190 degree thermostat in my 251, sure helped with the heater output and it hasn't boiled over yet ! I don't use a pressure cap on the rad.
grfishmaker:
I also have a large school bus heater in the front of my machine. So if I turn on all three fans on the heater, you can see the temperature on the gauge drop if you have them all turned on.
the old trucker:
Grfishmaker, with your bus fan on, the temp drops. Where do you think the extra heat is going to ?? I would tend to think it is going out through the motor doors. That makes me think if I had a heavy duty electric fan that pushes the heat out through the rad instead of pulling in, the cooler air will come in through the motor doors. Maybe there is such a thing as reverse fan that can bolt to the pulley. OT. just thinking out loud again.. !!
grfishmaker:
Ok there Mr. OT, I'm going to think like an Eastener. The excess heat is being blown off by the fans through the heaters rad. Or am I misuderstanding your question.
I don't know about reversing the air flow through the rad. How does blowing hot air through a hot rad cool the motor. I would think that sucking minus temperature air through a hot rad would be more efficient than what you are suggesting. That is why a exhaust fan on the motor doors works so well; as you are simply getting rid of the hot air as the rad fan sucks in more cold air. There, now I'm getting confused.
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