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87 Deg T'Stat vs. 92 Deg for Summer? 200 1990

posted by  someone claiming to be Paul Despres on  Fri Jul 20 08:51 CST 2001 [RELATED]

After an A/C tuneup, the local shop suggested the cooler 87 degree thermostat. If the cooling system was working OK, this would keep the engine operating temp down, possibly avoiding the typical stop and go traffic temperature-creep-with-the-AC-on that occurs here in Austin. However, lowering the op temperature will reduce gas mileage too.

Which thermostat makes sense here? I am getting ready for major routine maintenance including changing the timing belt, hoses, rad flush, T'stat replacement, etc., so I will be buying some new parts. I would rather buy a three-row radiator or external ATF cooler, if extra capacity is what is needed.

Any comments or experiences?







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    Re: 87 Deg T'Stat vs. 92 Deg for Summer? 200 1990

    posted by  someone claiming to be dave lotman on  Fri Jul 20 09:20 CST 2001 [RELATED]

    I use the 82 degree thermostat that Yankee Trading Co. got me. If you are

    in Austin I would get the 82 degree and give my engine and the wiring

    a chance to last as long as possible. As long as you are making the engine

    hot enough to burn off any condensation and the oil gets up to a good

    lubricating temp any higher than that is excess heat. If you are going to

    use a hot thermostat use the 87. Thats the regular year round thermostat

    that is recommended. I don't know why your car has a 92 but I would not

    use that especially living in Austin. That's a winter thermostat.

    Dave 82 242ti






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