Quote:
Originally Posted by Manitop
The extent to which a liquid increases in volume per one
degree Fahrenheit or Centigrade is defined as it’s
coefficient of expansion. For example, the coefficient of
expansion of gasoline is approximately 0.0006 per one
degree Fahrenheit, mineral oil is similar. I haven't found the coefficient of expansion for motor oil, but it would likely be similar So a 100 degree change in temp would cause 12 quarts to expand to 12.7 quarts, assuming this coefficient of expansion near .0006.
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OK, that is interesting. 3/4 of a quart overfill could cause problems. That is one reason I always run my 911 at the point right between the high and low marks. To heat the oil from 95 degrees to 195 degrees is pretty easy on a warm day with normal driving. I have seen 230 degrees before.
__________________
Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Last edited by GH85Carrera; 01-06-2010 at 12:48 PM..
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