Fans Reprograming for Lower Coolant temps !!!

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Jul 26, 2005 | 09:26 AM

stonecoldsaysto

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Joined: Jul 2005

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Fans Reprograming for Lower Coolant temps !!!

Most of us would like Lower Coolant temps & heard that the Fans can be reprogramed to do this ...... But does any-one know & can explain how to do this with a Stock / factory double fan set-up ?????
Thanks in Advance for any answers on this one !!!!!!!!!!!!!

Jul 26, 2005 | 09:45 AM

2KREDVert

Melting Slicks

Joined: May 2003

Posts: 2,840

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From: Bonita CA

Go see a professional tuner. They usually don't charge much for this and requires a quick flash of your computer. Don't forget the 160 thermostat while you are at it. If it still is too hot, you will need to put in a larger aftermarket radiator, nice upgrade.

Jul 26, 2005 | 10:59 AM

C5XTASY

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Joined: Oct 2000

Posts: 4,949

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From: Monticello MN

Quote:

Originally Posted by stonecoldsaysto

A number of aftermarket handheld programmers can lower fan turn on/off temps, also, and will get you somewhat cooler. Some of these are available really cheap, used, and would most probably be cheaper than having a tuner do it for you (at least in my experience). However, as suggested, if you want to really go after it, a lower thermostat, with lower fan settings, will be most effective. There are a number of forum threads on this. Do a search and you'll find a lot of info.

Jul 26, 2005 | 01:32 PM

allanlaw

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Joined: Sep 1999

Posts: 7,393

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From: Los Angeles CA

Quote:

Originally Posted by stonecoldsaysto

The best way to do it is to reprogram the fan settings in the PCM (tuner, LS1 Edit or similar program, hand-held reprogrammer like Predator, etc.). There are also kits that attach to the fan wiring and allow you to electrically control the fan on-off points.

Jul 26, 2005 | 02:11 PM

c5chris

Le Mans Master

Joined: Dec 2001

Posts: 5,761

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From: Irvine CA

Take your pick:

LS1 Edit

Predator or Hypertech PPIII

Vinci Fan Controller (DIY)

Choose your thermostat: 160*, 170*, 180*

Jul 26, 2005 | 07:24 PM

vettenuts

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Joined: Mar 1999

Posts: 22,025

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From: At the beach in little Rhody

Quote:

Originally Posted by c5chris

Take your pick:

LS1 Edit

Predator or Hypertech PPIII

Vinci Fan Controller (DIY)

Choose your thermostat: 160*, 170*, 180*

I have the Vinci controller and am very pleased with it. Both fans come on at 208 and off at 201. I am running the stock thermostat and adjusted the controller accordingly.

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