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Old 12-20-2023, 12:11 PM   #32
MikeB
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Join Date: Jul 2000
Location: North Texas
Posts: 3,663
Re: Thermostat temps

Quote:
Originally Posted by 67 twins View Post
So tell me sir what company do you work for as an engineer. I want to make sure not to buy any of their products. If you don't understand what a thermostat does, I can't trust your engineering ability!
Well, that's just a little childish!

And I still don't understand the disagreement. You said the t-stat's job is: "to REGULATE the temperature of the coolant." Others have said that once the coolant temp soars up to 210, there is no regulation happening at all. Both of you are correct!

In the OP's case, I would normally say his cooling system isn't up to the task, but we know it worked OK with another t-stat. And since there were NO other changes, the only conclusions we can draw is the new t-stat is NOT fully opening, or the coolant level is very low.

Let's see, what else?

Is ambient temperature the same before and after the t-stat change?
Was the coolant temp sender or gauge changed?
Any changes to the radiator fan or shroud?

To the OP: When you find the problem, please get back to us.

And to the rest of you: If you don't agree with me, Im gonna take my ball and go home!
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Mike
1969 C10 LWB -- owned for 36 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- converted from 250-six to roller cam 350, Vortec heads -- sold
1981 C10 Silverado LWB, 305, TH350C -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!

Last edited by MikeB; 12-26-2023 at 12:37 PM.
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