which thermostat ?
Thread Starter
Safety Car
Joined: Mar 2002
Posts: 4,411
Likes: 1
From: Okeechobee Florida
which thermostat ?
the new engine will have a new Performer intake so i will be buying a new gooseneck...
seems like a good time to replace the thermostat...
should i go with a 185* ?
seems like a good time to replace the thermostat...
should i go with a 185* ?
Le Mans Master
Joined: Jul 1999
Posts: 9,206
Likes: 17
From: Sewell NJ
Re: which thermostat ? (SIGNGUY)
I run a 160 thermostat in my 74 and I like it. Without the AC on it will run at 160 all day in any weather including high 90 degree days. With the AC on it runs about 180 - 195 on hot days. I like the extra margin of cooling that the lower thermostats give. JMHO.
Race Director
Joined: Dec 1999
Posts: 16,945
Likes: 9
Re: which thermostat ? (Turbo-Jet)
The high temp stat is purely for emissions. 160 is a little low for my taste (it doesn't get that hot here). I always ran a 180 stat with no problems.
Paul, is that the kind of stat that goes into the open position once it fails?
I have this for a thermostat (my radiator only has AN bungs)
It has a nice bypass to maintain coolant flow even when the stat is closed.
Marck
[Modified by Twinnie, 6:13 PM 10/14/2002]
Paul, is that the kind of stat that goes into the open position once it fails?
I have this for a thermostat (my radiator only has AN bungs)
It has a nice bypass to maintain coolant flow even when the stat is closed.
Marck
[Modified by Twinnie, 6:13 PM 10/14/2002]
Team Owner
Joined: Aug 1999
Posts: 30,995
Likes: 99
From: Ontario
Re: which thermostat ? (Twinnie)
I do not know. It did solve problems of going to 220F in summer heat, now long gone. It is incredibly stable at 195F. And that is what I wanted for my stock engine. Cannot ask for more! Here is my experiment of last summer.
http://forums.corvetteforum.com/zerothread?id=366876
[Modified by paul79, 7:24 PM 10/14/2002]
http://forums.corvetteforum.com/zerothread?id=366876
[Modified by paul79, 7:24 PM 10/14/2002]
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Melting Slicks
Joined: Aug 2000
Posts: 2,310
Likes: 1
Re: which thermostat ? (SIGNGUY)
I bought a Stant 180 for my '77.
I wasn't too concerned about the rating because I figured I'd be up at about 195 no matter what (160, 180, or 195) and that's where it runs.
What I did hope to get, and had absolutely NO LUCK finding, were these, hi-flow, fail in the open position, thermostats . I asked all around, and everyone looked at me like I was an idiot (well, that may be for other reasons :rolleyes: ).
Anyway, if you can find a hi-flow, fail in the open position (I know they've referred to them on TNN car shows), I think that'd be the way to go :yesnod:
Good Luck & let us know what you use and how you like it (thermostats seem to be a really popular item here).
I wasn't too concerned about the rating because I figured I'd be up at about 195 no matter what (160, 180, or 195) and that's where it runs.
What I did hope to get, and had absolutely NO LUCK finding, were these, hi-flow, fail in the open position, thermostats . I asked all around, and everyone looked at me like I was an idiot (well, that may be for other reasons :rolleyes: ).
Anyway, if you can find a hi-flow, fail in the open position (I know they've referred to them on TNN car shows), I think that'd be the way to go :yesnod:
Good Luck & let us know what you use and how you like it (thermostats seem to be a really popular item here).
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: which thermostat ? (73 LS-4)
My personal preference is a 180, it's a good compromise temp.
:cheers:
Pat Kunz
:cheers:
Pat Kunz
Me too!
:yesnod: Good for all around and all year driving. The 160 did not give me enough heat when driving on a cold day.
Melting Slicks
Joined: Feb 2000
Posts: 3,052
Likes: 0
From: Vancouver BC, Canada
Re: which thermostat ? (Fevre)
My personal preference is a 180, it's a good compromise temp.
:cheers:
Pat Kunz
Me too!
:yesnod: Good for all around and all year driving. The 160 did not give me enough heat when driving on a cold day.
:cheers:
Pat Kunz
Me too!
:yesnod: Good for all around and all year driving. The 160 did not give me enough heat when driving on a cold day.
Do you guys realize a hotter running engine is more thermodynamically efficient (ie more power)? In a heat cycle, energy transfer comes from delta T.
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: which thermostat ? (Turbo-Jet)
Then should I let my car get to 300? :D
Seriously though, in your opinion what is the optimal temp? Other than the the lubrication problem, I would think colder is better since cooler air holds more O2 allow for greater combustion.
Seriously though, in your opinion what is the optimal temp? Other than the the lubrication problem, I would think colder is better since cooler air holds more O2 allow for greater combustion.
Melting Slicks
Joined: Feb 2000
Posts: 3,052
Likes: 0
From: Vancouver BC, Canada
Re: which thermostat ? (Fevre)
Then should I let my car get to 300? :D
Seriously though, in your opinion what is the optimal temp? Other than the the lubrication problem, I would think colder is better since cooler air holds more O2 allow for greater combustion.
Seriously though, in your opinion what is the optimal temp? Other than the the lubrication problem, I would think colder is better since cooler air holds more O2 allow for greater combustion.
[Modified by Turbo-Jet, 12:24 PM 10/15/2002]
Le Mans Master
Joined: Jul 1999
Posts: 9,206
Likes: 17
From: Sewell NJ
Re: which thermostat ? (Turbo-Jet)
Do you guys realize a hotter running engine is more thermodynamically efficient (ie more power)? In a heat cycle, energy transfer comes from delta T.
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: which thermostat ? (Turbo-Jet)
Then should I let my car get to 300? :D
Seriously though, in your opinion what is the optimal temp? Other than the the lubrication problem, I would think colder is better since cooler air holds more O2 allow for greater combustion.
Factory spec is best. Yes, colder intake air is good, to further increase delta T. This is a compromise that must be made, as a hot engine will inadvertently warm the incoming air charge.
[Modified by Turbo-Jet, 12:24 PM 10/15/2002]
Seriously though, in your opinion what is the optimal temp? Other than the the lubrication problem, I would think colder is better since cooler air holds more O2 allow for greater combustion.
Factory spec is best. Yes, colder intake air is good, to further increase delta T. This is a compromise that must be made, as a hot engine will inadvertently warm the incoming air charge.
[Modified by Turbo-Jet, 12:24 PM 10/15/2002]
