operating temperature
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500, 472, 425, 368 Discussion, operating temperature in Cadillac Engine Technical Discussion; I was wondering whats the operating temperature on a big block caddy engine??...
  1. #1
    cadillac_81 is offline Cadillac Owners Member
    Join Date
    Nov 2012
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    operating temperature

    I was wondering whats the operating temperature on a big block caddy engine??

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
    Automobile(s): 2002.5 F55 STS/65500mi, 2004 Ford F150 SuperCab4x4
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    Re: operating temperature

    Go to a parts store and look up the thermostat for that car, that engine in the references that hang on the parts racks.

    IF your engine calls for a "180 degree" thermostat the normal engine operating temperature range will be 180 +/- to 200 +/-.

    Most emissions controlled (designed) engines run at about 190 - 200. Low temp thermostats (140, 160 degrees) lead to premature engine wear, moisture in cold oil, and poor fuel economy.

    Update your profile to show your car, year, engine, maybe approximate location.

  4. #3
    drmenard is offline Cadillac Owners Enthusiast
    Automobile(s): 95 fleetwood 81 deville
    Join Date
    May 2003
    Location
    Massachusetts
    Posts
    983

    Re: operating temperature

    My 472 really likes it at 180 degrees...

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