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Old 08/23/2008, 09:09 PM   #1
BroadwayBlue
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Recommended Thermostat Rating (289)?

What thermostat is everyone running?
160 or 180 degrees?

This for a 289.

I need to change the thermostat housing so may as well pop in a new thermostat while we're at it. Not sure what is in there now.

Thanks!

Rich

1968 Acapulco Blue GT/CS 289 * 1996 Red GT Convertible *
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Old 08/23/2008, 09:12 PM   #2
franklinair
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180.

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Old 08/24/2008, 12:52 AM   #3
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i run a 160* in the summer on my stroked 427, it runs a little hotter, 180 in the cooler months

jbart
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Old 08/26/2008, 10:32 AM   #4
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Thanks Guys!

Local stores actually carry a Stant Thermostat and only in 195 degree rating.

Rich

1968 Acapulco Blue GT/CS 289 * 1996 Red GT Convertible *
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Old 08/26/2008, 10:56 AM   #5
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try NAPA, 180 degree.

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Old 08/26/2008, 11:00 AM   #6
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Quote:
Originally Posted by franklinair View Post
try NAPA, 180 degree.

Neil
Thanks Neil!

Rich

1968 Acapulco Blue GT/CS 289 * 1996 Red GT Convertible *
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Old 08/27/2008, 09:24 PM   #7
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Well...

There are a couple of things to consider. IF your block has a lot of "scale" from years of hard water in it, the block may get hotter sooner.

If you live in a cooler climate, you might want it to get warmer; later, for the heater..

There is the stock rating, and the scale thing...and your climate.

I know--I totally confused you. There might be a reason why they like to sell the 195 deg. version.....maybe you should ask that parts dealer why they carry only one type.

You also might want to get one of those cool rad caps with the digital LCD readout right there in the middle of the cap.

Paul N.
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Old 08/28/2008, 08:25 AM   #8
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if you need 180's or 160's, i can get them here where i'm at and could send them to you.

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Old 08/28/2008, 08:29 AM   #9
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All things being normal, 180 degrees is ideal coolant temp operating range. Think of the thermostat as a temperature regulator by regulating the coolant flow thru the system. (Closed to block flow & raise temp, modulating from closed to open to regulate the temperature of the coolant @ 180.) I prefer a 3 row radiator although 2 row is OK if you're not running an A/C. For warm, tropical areas a 4 row if running A/C. I prefer a 7psi radiator cap to pressurize the coolant system rather than the typical 14psi cap. The lower pressure is adequate, and is easier on the radiator (it'll last longer with lower pressure).

Neil
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Old 08/28/2008, 09:46 AM   #10
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Thanks everyone! I appreciate the info and feedback.

Rich

1968 Acapulco Blue GT/CS 289 * 1996 Red GT Convertible *
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