160 Thermo / Constant fan control
Thread Starter
Heel & Toe
Joined: May 2005
Posts: 21
Likes: 0
From: SoCal
160 Thermo / Constant fan control
Hey everyone,
I'd like to change out my stock thermostat to a 160 degree one. Will my computer automatically make adjustment for it? Also what are your opinions on upgrading to constant fan controller?
1999 Automatic Coupe w/ ride control
I'd like to change out my stock thermostat to a 160 degree one. Will my computer automatically make adjustment for it? Also what are your opinions on upgrading to constant fan controller?
1999 Automatic Coupe w/ ride control
6th Gear
Joined: May 2005
Posts: 6
Likes: 0
Your computer won't adjust when your fans come on. Your car will run cooler when you are driving on long roads but not so much in the city when it is warm out. You will need to adjust when your fans come on using a programmer. I used ls1edit to adjust mine so the first fan comes on at 180 and off @175 my second fan is set on @185 and off at 180.
97 coupe 160 stat, ls1edit, Brembo rotors, K&N air filter, Amsoil Trans and Diff, Trans Cooler.
97 coupe 160 stat, ls1edit, Brembo rotors, K&N air filter, Amsoil Trans and Diff, Trans Cooler.
Last edited by pitstopp; May 18, 2005 at 10:25 PM.
Team Owner
Joined: Mar 2001
Posts: 21,325
Likes: 3,841
From: small town in S.E Pa. PA
St. Jude Donor '03-'04
You can Buy a Hayden fan controller at Pep Boys for 49 dollars, it is the same controller used buy Corvette vendors but without the pre cut ( to length wires)... so alittle wire cutting and you can save 100 bucks..There is also a Tech tip on using this generic Hayden controller on a C5, in the C5 tech tips section. It is pretty simple... you have a thermocouple which goes into your radiator vanes. a ground wire, a power wire, and a wire that splices into your drivers side fan ( blue wire)... your PCM will over ride the Hayden in the event that it would fail... Ive had mine five years, works great and is fully adjustable... what is nice about the Hayden is you can turn it off in the winter and go back to stock fan settings...
Last edited by Evil-Twin; May 19, 2005 at 08:48 PM.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Originally Posted by Evil-Twin
You can Buy a Hayden fan controller at Pep Boys for 49 dollars, it is the same controller used buy Corvette vendors but without the pre cut ( to length wires)... so alittle wire cutting and you can save 100 bucks..There is also a Tech tip on using this generic Hayden controller on a C5, in the C5 tech tips section. It is pretty simple... you have a thermocouple which goes into your radiator vanes. a ground wire, a power wire, and a wire that splices into your drivers side fan ( blue wire)... your PCM will over ride the Hayden in the event that it would fail... Ive had mine five years, works great and is fully adjustable... what is nice about the Hayden is you can turn it off in the winter and go back to stock fan settings...
Send me your e-mail address and I will send you some pictures of it.
Let me know if you are interested.
Bill
Melting Slicks
Joined: Mar 2002
Posts: 2,203
Likes: 63
From: Staten Island NY
with the 160 therm installed, my 99 runs at about 175 on open road, as opposed to 195 on an open road. In traffic it will take just a little longer to go over 220, BUT with the 160 therm, I can just turn on the A/C or the defroster when in traffic and my car will no longer cycle between 195 and 230. It will now stay around 185 in bumper to bumper New York city traffic.
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
If you had no thermostat just direct open line and a 180 degree thermostat and drove from Cleveland to Columbus (3 hour drive) without stopping or shutting off the car the engine temp would be the same if there are no adjustments to the fan settings. The thermostat does not control what temperature your car operates at. It is there to expedite the ability of your car to warm up. Ok this is my last post ever on this topic, I will now go into the front yard and continue beating my head against a tree.
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Melting Slicks
Joined: Mar 2002
Posts: 2,203
Likes: 63
From: Staten Island NY
Originally Posted by shurite44
If you had no thermostat just direct open line and a 180 degree thermostat and drove from Cleveland to Columbus (3 hour drive) without stopping or shutting off the car the engine temp would be the same if there are no adjustments to the fan settings. The thermostat does not control what temperature your car operates at. It is there to expedite the ability of your car to warm up. Ok this is my last post ever on this topic, I will now go into the front yard and continue beating my head against a tree.
Its a combined effort of the therm and the fans.
Enjoy that beating.
Melting Slicks
Joined: Mar 2002
Posts: 2,203
Likes: 63
From: Staten Island NY
Originally Posted by sshole
Not to hijack but if i put my 160 in and i have 3 weeks before a dyno tune,would there be any negative affects?Thanks
Team Owner
Joined: Mar 2001
Posts: 21,325
Likes: 3,841
From: small town in S.E Pa. PA
St. Jude Donor '03-'04
Originally Posted by shurite44
I really hate to say this again but a lower temp thermostat will not cause you car to run cooler. It only delays the amount of time it will take the car to reach its operating temperature.
So with that in mind, using a 160 stat and fan temperatures below 190 will allow the fans to go on sooner, you can now drop your fan setting 20 degrees and still allow the fans to cycle off, the way they were designed to do... these fans are not designed to run constantly... if you have a 190 stat and set the fans to 180, the fans will run constantly .... but then of course I've told you this several times before shurite44, , so if you don't know what you are talking about, you should not give advice.... funny how all the tuners use 160 stats in their pro charger, or magnacharger engines and recommend them to anyone doing any type of performance tuning.
