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Topic: should i take off my thermostats 89 5.0
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Notch_notch
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Member # 8902
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posted
my engine is getting hot about 1/4 temperature, i was driving on freeway going down a little... help me what kind of degree thermostats should i get 160-180-190 which is the best??
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Posts: 1912 | Registered: Jan 2009
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DARKSHO
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Member # 7446
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posted
I dont think 1/4 is hot, 3/4 could be but a thermostat is cheep. Im running a 185 deg. and my car runs at 190 to 230 depending on how Im driving, if that doesnt work check your radiator it mite be partly pluged
Posts: 191 | From: 408 | Registered: Feb 2007
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1989lx5.0
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Member # 3699
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posted
ya 1/4 isnt hot, also you might have better luck posting in the tech section. ![[Wink]](wink.gif)
-------------------- 1979 pace car
1985 svo
www.californiafords.com the better calfords
Posts: 552 | From: near fresno | Registered: Oct 2003
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92stangLX
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Member # 3252
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posted
No, do not remove your thermostat or your car will run like shit. I would run a 180.
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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89 306
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Member # 9042
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posted
180
-------------------- 02 mustang gt...mods soon to come!
89 lx: 306. edelbrock. heads..ported gt 40 manifolds..and all that other good stuff.
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Posts: 1268 | From: richmond | Registered: Mar 2009
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Blind
2.3L CAFords OG
Member # 3052
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posted
the thermostat does not determine how hot or cold your engine runs, the radiator and fan and the running condition of the engine do.
-------------------- 89 LX Notchback ex 4cyl, 14psi 02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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fastertoys1
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Member # 5270
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posted
quote: Originally posted by 92stangLX: No, do not remove your thermostat or your car will run like shit. I would run a 180.
i dont run a thermo in my car, runs just fine.. does take about 5 mins to warm up in the morning but what 20+ yr olds car doesnt?
Posts: 2178 | Registered: Jan 2005
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Notch_notch
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Member # 8902
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posted
No my temperature 1/2 above something like 2 clock.. I just change my waterpump.. You know
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Posts: 1912 | Registered: Jan 2009
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RAP66
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Member # 3360
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posted
if it's an EFI motor the t-stat should be 190-195, the ecu is calibrated to work at that temp.
-------------------- 91GT Kurgan Tuned:12lbs of boost 492.4 rwhp / 483.1 rwtq http://killcarb.org/
www.fordstrokers.com
Posts: 893 | From: SF Bay Area | Registered: Oct 2003
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sic70stang
CAFords OG
Member # 4347
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posted
why do people take out t stats....
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Posts: 6940 | From: California | Registered: Jul 2005
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Adam5.0
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Member # 6995
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posted
cars gonna run hotter without t stat. the t stat also regulates coolant flow to allow more time for heat transfer. the stock temp gauge isnt the best thing to go buy. get an autometer gauge. you might not even have a problem
-------------------- want something old and japanese
Posts: 1609 | From: Brentwood | Registered: Aug 2006
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SF Coupe
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Member # 1810
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posted
quote: Originally posted by Adam5.0: cars gonna run hotter without t stat. the t stat also regulates coolant flow to allow more time for heat transfer. the stock temp gauge isnt the best thing to go buy. get an autometer gauge. you might not even have a problem
Internet myth. More coolant flow yields better cooling. None of the guys I race with run t-stats. My car runs cooler on the track without a t-stat. However, they should be run on street cars. It keeps the engine at the proper operating temperature.
Posts: 1082 | From: SF | Registered: Sep 2002
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JohnB
Tech Moderator
Member # 969
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posted
quote: Originally posted by SF Coupe: quote: Originally posted by Adam5.0: cars gonna run hotter without t stat. the t stat also regulates coolant flow to allow more time for heat transfer. the stock temp gauge isnt the best thing to go buy. get an autometer gauge. you might not even have a problem
Internet myth. More coolant flow yields better cooling.
Incorrect. It WILL run hotter overall. Unregulated flow will not cool as efficently as regulated flow. The fluid must be in the radiator "x" amount of time to cool, otherwise it will retain the heat, go through the engine again, and heat up even more. FI cars are built to run at a certain temp. Changing that temp without adjusting said parameters in the computer will only make it worse.
If you have a temp problem, fix the problem...
-------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Blind
2.3L CAFords OG
Member # 3052
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posted
quote: Originally posted by SF Coupe: quote: Originally posted by Adam5.0: cars gonna run hotter without t stat. the t stat also regulates coolant flow to allow more time for heat transfer. the stock temp gauge isnt the best thing to go buy. get an autometer gauge. you might not even have a problem
Internet myth. More coolant flow yields better cooling. None of the guys I race with run t-stats. My car runs cooler on the track without a t-stat. However, they should be run on street cars. It keeps the engine at the proper operating temperature.
how far have you driven the car like that? It doesn't cool the fluid enough and the car will overheat if you drive it on a long trip. I bought a 5.0 a while back and the first long trip with it, it overheated on the freeway, dug into it and there was no thermostat, replaced it with a stock 195* thermostat and it never overheated again.
-------------------- 89 LX Notchback ex 4cyl, 14psi 02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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JohnB
Tech Moderator
Member # 969
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posted
With regards to your links, none of them pertain to the issue at hand. Removing a thermostat is not the fix for a cooling issue...nor should it be the cause of a overheat condition.
Additionally, the links you posted are opinions, just as ours are. Be it a manufacturers website (which said nothing about running without a thermostat being beneficial) or another message board, it's still opinions. ![[Smile]](smile.gif)
-------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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SF Coupe
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Member # 1810
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posted
True, a t-stat is the way to go in a street application. However, your argument about dwell time is not based on anything but an old wives tale. The "opinions" in the linked threads and stewart's website are based on thermodynamic formulas that disprove the dwell time myth.
Posts: 1082 | From: SF | Registered: Sep 2002
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JohnB
Tech Moderator
Member # 969
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posted
quote: Originally posted by SF Coupe: True, a t-stat is the way to go in a street application.
I'm glad you realized we're talking about a street car, not a race car.
Dwell time, when referenced to a EFI setup, is not a myth... with regards to a street car. Proper operating temp/range is critical to the longevity and efficient operation of a street car.
C
-------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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asskickn88
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Member # 4957
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posted
quote: Originally posted by SF Coupe: True, a t-stat is the way to go in a street application. However, your argument about dwell time is not based on anything but an old wives tale. The "opinions" in the linked threads and stewart's website are based on thermodynamic formulas that disprove the dwell time myth.
I'd go with a 180 in your car, if it runs too cool it will stay in open loop and get SHITTY gas mileage..... ask me how I know.
Ok, we had a circle track car that was running hot with no thermostat. They make discs that go in place of a thermostat that restrict the flow, we added a med size one and it ran perfect. The water needs time to dissipate heat into the radiator or it won't cool the car, end of story.
-------------------- Three 540 Bimmers and a 5.0 Explorer.... got a Ford back in the stable!
It's time for the country to do what Obama's own father did. Abandon him.
Posts: 6069 | From: Rocklin, Ca | Registered: Oct 2004
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