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  #1  
Old 04-13-2013, 03:07 PM
oldsinner111's Avatar
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How to fool cooling fans to come on at 92c

I was look at K6JFRs page trying to figure out how to fool my fans.
As I said before in this forum a 1999 s320 has only two wires going to temp sensor,so cutting the red and splicing a 1.1K resistor advancing timing for more power,but make the tempgauge useless. I just don't see how my gauge and computer will work with a resistor, betwwen the two wires.
Or should I run a wire from toggle switch to fan to over ride them.I'm doing everything possible to maintain a cool temp on the head.

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Old 04-13-2013, 04:29 PM
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manual fan switch in cabin
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Old 04-13-2013, 04:33 PM
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Automatic fan switch attached to the outside of the hot hose going to the radiator.
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Old 04-13-2013, 04:36 PM
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i am not sure if you will cool cylinder head with fan coming on more frequent, at best thermostat will just not open so far...
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  #5  
Old 04-14-2013, 05:34 AM
oldsinner111's Avatar
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Hey thank you all,What I'm trying to do is pervent my head from ever getting to hot,as you know the m104 engine eats headgaskets.I believe if I lower operating temps it will last longer.So far 180,000 miles no gasket,could be because of my 168f thermostat,I'd also like to know if a S500 fan would fit my engine,they have more blades.
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Last edited by oldsinner111; 04-14-2013 at 08:31 AM.
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Old 04-14-2013, 12:58 PM
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Quote:
Originally Posted by oldsinner111 View Post
Hey thank you all,What I'm trying to do is pervent my head from ever getting to hot,as you know the m104 engine eats headgaskets.I believe if I lower operating temps it will last longer.So far 180,000 miles no gasket,could be because of my 168f thermostat,I'd also like to know if a S500 fan would fit my engine,they have more blades.
send Arthur Dalton a private message or do a search on him

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1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



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