Fan temp - DodgeForum.com


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Fan temp

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Old 04-15-2014, 01:26 PM
hopej
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Default Fan temp

I have a 2008 ram 1500 4.7 L cold air intake dual exhausts superchip programmer 3865 what would be a good temperature to set fan at or leave it stock
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Old 04-15-2014, 04:34 PM
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Has it got a stock Tstat?
If it has, your always going to be fighting it.
Get a 180 deg Tstat and enjoy a cooler engine with a bit more pep with your programmer. That mod will loose you 1 / 1.5 mpg but..... You will feel a difference in performance.
Get a power wire in your CAI and that is the perfect complimentary performance combo.
Set your electronic fan at 195 - 200 and things will be good.
Al.

Last edited by abarmby; 04-15-2014 at 04:38 PM.
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Old 04-18-2014, 02:16 AM
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Maybe mine is different? I have an 03 with 4.7 and my elect fan only comes on with the AC. It doesn't even pull through the radiator.. I only see that the fan clutch is what helps mine cool.
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Old 04-18-2014, 07:39 PM
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Yeah, pretty sure the cooling fan is mechanical. Maybe not ...
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Old 04-18-2014, 10:29 PM
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Yeah..... When the op said "what would be a good temperature to set fan at" I automatically assumed he had dumped the mechanical clutch fan and installed an electric fan.
To the op if you still have the clutch fan, you cannot set a temp yourself as they are preset from the factory.
Al.

Last edited by abarmby; 04-19-2014 at 07:59 AM.
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Old 04-19-2014, 08:14 AM
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I would not dump the visco fan but add a electric fan additional in front of the radiator. Bmw, mercedes have this setup and it works. This way the e fan is a backup and security fan. I will do that next year-planning to buy a camping trailer.
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Old 04-19-2014, 09:12 AM
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Main reason people dump the clutch fan, is to remove the waster horsepower in turning it.
Free off 5-8 horses and makes the engine rev more freely.
I understand the concept of "backup fan".
Al.
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Old 04-20-2014, 01:29 PM
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I've done pushers, but only when needed. When I had my Jeep GC I cheaped out and went Autozone single core after the stock Mopar one split at the seam. Two 7" pushers and a can of Purple Ice kept it about where it was with the stock radiator.
Flex a Lite 180 in the Ram replaced the parastic clutch fan. I went for about 190* with a 180* t-stat and it comes on at 187*, close enough for me.
BTW great mod, it should net you about 1.5 - 2 mpg and get back what you lose with the richer mix of a cooler t-stat...
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