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Old 10-05-2024, 05:41 PM   #1
HeavyHauler
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What would be a good thermostat to run in a 1972 350 chevy?

My friend has a 350 Chevy in his 1972 C10 and is wondering what thermostat would be good to put in it? His truck does not have AC if that makes a difference.
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Old 10-05-2024, 06:29 PM   #2
Shifty One
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Re: What would be a good thermostat to run in a 1972 350 chevy?

I'd go with a good 180, preferrably the Robert Shaw/Mr Gasket hi-flow version.
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Old 10-05-2024, 06:36 PM   #3
HeavyHauler
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Re: What would be a good thermostat to run in a 1972 350 chevy?

Thanks guys I will tell him to get the 180.
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Old 10-05-2024, 10:14 PM   #4
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Re: What would be a good thermostat to run in a 1972 350 chevy?

Pretty sure they came with 195 degree thermostat.
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Old 10-05-2024, 11:43 PM   #5
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Re: What would be a good thermostat to run in a 1972 350 chevy?

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Originally Posted by MS66 View Post
Pretty sure they came with 195 degree thermostat.
I was thinking that too. Also, the heater/defroster works better with a 195.
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Old 10-05-2024, 11:51 PM   #6
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Re: What would be a good thermostat to run in a 1972 350 chevy?

I went with a RockAuto Gates 180* stat

If everything in the cooking system is working well, you don’t need anything special in the thermostat department. Good luck
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Old 10-06-2024, 12:09 AM   #7
MS66
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Re: What would be a good thermostat to run in a 1972 350 chevy?

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I was thinking that too. Also, the heater/defroster works better with a 195.
Yessir, everything works as it was designed. Engine runs better too.

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I went with a RockAuto Gates 180* stat

If everything in the cooking system is working well, you don’t need anything special in the thermostat department. Good luck
I don't get what you're comment means. If everything is working well, why did you go to a 180 instead of what it is designed to use? It's engineered to run a 195, truck runs great like that.
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Old Today, 07:47 AM   #8
MARKDTN
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Re: What would be a good thermostat to run in a 1972 350 chevy?

When I was younger I did not like temps to go over 180, but 195 with antifreeze is just fine. You also get better combustion. Go with a good quality 195 t-stat. I like Robertshaw myself.
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Old Today, 08:52 AM   #9
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Re: What would be a good thermostat to run in a 1972 350 chevy?

The thermostat begins to open at the rated temp. It has no effect on the eventual operating temp of the engine unless the temp goes below the opening temp.
NAPA says 180* is correct, or rather that's the temp you get if you search for one for that vehicle.

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Old Today, 09:44 AM   #10
MS66
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Re: What would be a good thermostat to run in a 1972 350 chevy?

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The thermostat begins to open at the rated temp. It has no effect on the eventual operating temp of the engine unless the temp goes below the opening temp.
NAPA says 180* is correct, or rather that's the temp you get if you search for one for that vehicle.
NAPA....
They came with 195. That's what they're designed to run. Never had an issue with it, truck runs like a top at operating temp.
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