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[GMCnet] clutch fan experiment [message #85506] Fri, 21 May 2010 10:20 Go to previous message
Arthur Mansfield is currently offline  Arthur Mansfield   United States
Messages: 290
Registered: April 2010
Karma:
Senior Member
All

I hate to bring up this subject again but here goes.

I install a 15-4947 in my coach and went to Tampa FL from Decatur AL. As long as temp was below 90 F out side I was alright. My temperature would stay below 190 F. Once the temp went over 90 degrees outside my engine temp went over 210 with AC running. I turned AC off and slowed down to 55 MPH from 65 MPH and it dropped to 195F. So I have install a 15-4644 which I used with no over heating last summer. I have an AL radiator. By the way the circuit barker potted in my generator and it got hot in the coach ... 97F.

Last summer when my clutch fan was taken out by fan belt that came off the AC and wiped out the clutch fan, I installed a direct drive until I got home. My engine temp never when over the 185 that of my thermostat even when it was above 90F with the direct drive. I could not talk to my wife but the engine stayed cool.

I have been wondering if my carb could be a little lean and that is why I cannot use the normal clutch fan and have the engine temperature stay down.

Art & Doris
76 EL
amansfield1104@charter.net
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