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May 9, 2002 | 10:06 AM

bikerwolfie

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Joined: May 2002

Posts: 160

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From: usa

thermostat

to make an engine run cooler do you increase the thermostat temp or decrease it?? i should know as many times i've had to change them.

May 9, 2002 | 11:06 AM

karlsd

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Joined: Aug 2001

Posts: 962

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From: Collierville, TN

thermostat

If your cooling system is working properly, putting in a lower temp stat will decrease the engine operating temp, i.e., your engine will run cooler. If the engine is overheating, however, changing to a lower temp stat will not have any effect -- you'll still overheat.

May 9, 2002 | 12:21 PM

Mil1ion

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Joined: Jan 2008

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thermostat

>to make an engine run cooler do you increase the thermostat
>temp or decrease it?? i should know as many times i've had
>to change them.

There are many reasons for engine over-heating.
To start with> Remove the thermostat and bench test it with a pot of water on a stove and a Candy thermometer.
See if it opens at the temp that is stamped on the bottom part.

It will most lucky say 195*F
You can go as low as 180*F

If the thermostat works at the temp value >
Check the engine/ignition timing.

Then check the water pump and radiator.

Make sure you have coolant/anti-freeze > water combo.

*Not just water*

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May 9, 2002 | 12:32 PM

bikerwolfie

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Joined: May 2002

Posts: 160

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From: usa

thermostat

it was overheating, but that was due to a straight water fill and someone had installed the thermostat backwards ( spring towards the hose). i do alot of heavy towing and in town driving and have always preferred a cooler thermostat. put a 160 in just haven't had a chance to try it out and wanted to be sure i went the right way with the temp before i did. thanks for the info.

May 9, 2002 | 12:40 PM

Mil1ion

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Joined: Jan 2008

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thermostat

Unless you're in a Hot Climate.
160* is too low.
The engine will suffer for it.

[b][i][font color=red]Dennis[/font][i][b]

[font color=red]Calgary,Alberta,Canada[/font]
http://www.clubfte.com/users/mil1ion/Minimorleytruck.JPG

[font color=green]Do You Need To Decode Your 78 Truck Data Plate?
[/font

http://www.clubfte.com/users/mil1ion/FordTruckCodes.html

[font color=red]If New Ford Parts Is What You're Cravin',
Then Buy Them HERE,At Motorhaven![/font]

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[font color=red]
Please Don't Ask Me Any Tough Questions,
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641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V [/font]

May 10, 2002 | 04:16 AM

bikerwolfie

Thread Starter

Senior User

Joined: May 2002

Posts: 160

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From: usa

thermostat

what would you recomend? i'm in north georgia and the temp here is about 90 f or hotter during the summer months. with the 160 in it runs about halfway on the stock gauge,(i have an aftermarket gauge but havent had the time to install it).

May 10, 2002 | 12:31 PM

Mil1ion

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Joined: Jan 2008

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thermostat

Since the price is negilable,I would try a 180* first.

See how it does and go from there.

[b][i][font color=red]Dennis[/font][i][b]

[font color=red]Calgary,Alberta,Canada[/font]
http://www.clubfte.com/users/mil1ion/Minimorleytruck.JPG

[font color=green]Do You Need To Decode Your 78 Truck Data Plate?
[/font

http://www.clubfte.com/users/mil1ion/FordTruckCodes.html

[font color=red]If New Ford Parts Is What You're Cravin',
Then Buy Them HERE,At Motorhaven![/font]

[font color=green]Please Feel Free To Visit My Website.[/font]

http://www.clubfte.com/users/mil1ion/Mil1ion.html

[font color=red]
Please Don't Ask Me Any Tough Questions,
"I'm Saving My Memory For When I Develop Alzheimer's" [/font]

[font color=blue]78 F-150 429CJ,Silver,Explorer Pkg.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V [/font]