Author Topic: thermostat eliminator  (Read 1520 times)

EDNY

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thermostat eliminator
« on: July 25, 2019, 01:16:06 PM »
Remember seeing a thermostat eliminator some time ago.  It was basically a large washer with specific diameter hole in the center that eliminated the factory spring operated thermostat. It basically regulated coolant flow and probably was intended for racing applications?

Understand that a factory thermostat is to help the engine reach operating temperature faster then regulate flow so you have heat etc.  But why not use the eliminator during the Summer?  Anyone have experience with such a eliminator?
33 Chevy 5 Window, 34 Chevy 3 Window, 37 Chevy 4dr sedan

sammons

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Re: thermostat eliminator
« Reply #1 on: July 25, 2019, 03:00:10 PM »
Ed, i've never used a store bought "thermostat eliminator" before.  But I have cut the lower cage and removed the spring and plunger from stock ones. I use to buy a lot of old cars that had been sitting for years. A lot of times the thermostat would stick shut or only barely open. Knock the center out and drive. If i kept them long enough, come winter it would remind me i needed a thermostat cause the heater wouldn't warm up much.

I guess thats the same as the store bought, summer never a problem.  You need that washer/ gutted housing to restrict the water flow, if not  it will curculate too fast thru radiator and not cool....over heat. 
That's my experiance anyway.

Haha, got me to thinkg back.  Every late fall when I worked at the service station in the 70s, we still had old folks that would bring in their cars to change to winter thermostat (180-190°) and put on  their winter snow tires.(already mounted on wheels), and oil to 20wt.  ;D  Then come spring, change back to 160° and summer tires, 30wt motor oil.
« Last Edit: July 25, 2019, 03:24:39 PM by sammons »

EDNY

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Re: thermostat eliminator
« Reply #2 on: July 25, 2019, 04:48:04 PM »
Sammons..thanks for the response..

Did as you mentioned by removing the thermostat's spring and valve out of my S10 2.2 pickup,  had to use the thermostat main body because it uses the round rim neoprene seal.  Put in some BarsLeak head gasket repair about 3 years ago (worked great) and it just started leaking again. Recently tried some other head gasket repair but it caused the thermostat to not function properly and it began to overheat.

Just put in another BarsLeak treatment because I'm too cheap to buy another truck and don't want to take this engine apart ;D  Heck don't even have 200,000 miles on it yet.  Been checking and it's going into closed loop so I know it's reaching at least 160 degrees.

Wish I could find another 4 cyl 5 speed 2WD S10 up here that wasn't all rusted out.
33 Chevy 5 Window, 34 Chevy 3 Window, 37 Chevy 4dr sedan

chopper526

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Re: thermostat eliminator
« Reply #3 on: July 25, 2019, 05:20:29 PM »
I never thought or heard about the thermostat eliminator before, but I sure do remember this well:

"Haha, got me to thinkg back.  Every late fall when I worked at the service station in the 70s, we still had old folks that would bring in their cars to change to winter thermostat (180-190°) and put on  their winter snow tires.(already mounted on wheels), and oil to 20wt.  ;D  Then come spring, change back to 160° and summer tires, 30wt motor oil."

[/quote]
Tighten it up til it strips, then back it off a quarter turn

 


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