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what determins an engines operating temp?

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Old Nov 12, 2004 | 09:40 AM
  #1  
ATS*Mark's Avatar
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From: Norcal
Default what determins an engines operating temp?

i have been thinking about this... when an engine is going through R&D testing.....how do the engine builders determine the operating temperature? is that where optimum power is made? if so why do we always mess with it with radiators , high pressure caps , fan switches and thermostats that all change the temp?
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Old Nov 12, 2004 | 10:13 AM
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Default Re: what determins an engines operating temp? (OnePointSicks)

The most horsepower is made at 220*F. But for emissions reasons the engine is usually run at a higher temp for better fuel vaporization.
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Old Nov 12, 2004 | 01:26 PM
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Default Re: what determins an engines operating temp? (drdisco69)

i have a b16a turbo and it never gets above 220
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Old Nov 12, 2004 | 02:36 PM
  #4  
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From: Norcal
Default Re: what determins an engines operating temp? (richeybrooks)

so is that where our operating temps are ?
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Old Nov 12, 2004 | 02:58 PM
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Default Re: what determins an engines operating temp? (OnePointSicks)

Correct me if I'm wrong, but I think hondas run around 225-235.
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Old Nov 12, 2004 | 07:00 PM
  #6  
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From: Ride Naked
Default Re: what determins an engines operating temp? (drdisco69)

mine always ran at 210-2122 (d16a6 w/ new OEM thermostat)
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Old Nov 18, 2004 | 03:37 PM
  #7  
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From: Licknuts, CA
Default Re: what determins an engines operating temp? (OnePointSicks)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by OnePointSicks &raquo;</TD></TR><TR><TD CLASS="quote">so is that where our operating temps are ?</TD></TR></TABLE>
Thats what there is a gauge for.
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