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12-13-2017, 02:13 AM
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#1 |
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Registered User
Join Date: Sep 2017
Location: Los Angeles, CA
Posts: 57
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Temp range
Hey guys. I just got an 86 square. I replaced the radiator and flushed the whole cooling system and put in a 190 degree thermostat. What should be the normal running temp. It always goes to 210 and stays there. Is this normal? It seems high
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12-13-2017, 05:49 AM
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#2 |
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Post Whore
  
Join Date: May 2015
Location: Alabama
Posts: 14,674
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Re: Temp range
that does seem a little high...mine ran around 180s before my LS swap..have you checked the fan clutch?
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12-13-2017, 07:19 AM
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#3 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,636
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Re: Temp range
IF the gauge is accurate, 210 is about right for a 195* thermostat. The temp on the t-stat is the point it is supposed to start to open, not the temp it maintains. The operating temp will be 10~20 higher then the start to open point.
Don't assume the 31 year old gauge is spot on. Even a 5% variance is +-10 at 200. Buy or borrow a laser temp reader and check the temp at the t-stat housing and entry point into the radiator once the motor is at operating temps. |
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12-13-2017, 09:16 AM
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#4 |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,382
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Re: Temp range
Yeah, if you are talking about the stock gauge that is close enough. My 03 Caddy runs 210 all the time for efficiency.
__________________
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12-13-2017, 11:57 AM
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#5 |
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Registered User
Join Date: Jul 2017
Location: OKC, OK
Posts: 247
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Re: Temp range
Mine runs 205-210 with a 195 t-stat and one of those terrible flex fans. Nothing to worry about.
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