From: mike wilson
John Sessoms wrote:
> If you have a car that only gets used for short, short trips, it is a
> good idea to get it out on the highway once in a while just to get it up
> to a high enough operating temperature to boil the condensed water vapor
> out of the oil
If your oil (although some true synthetics may alter this premise) is up
over 100degreesC you are in trouble. Even more, if you can get it
anywhere up there, whilst it is being actively cooled by the engine
design, you have travelled a long, long, long, loooong way. And even
more, if you are seriously mayonnaised you are going to do irrepairable
damage to the motor.
Just change it. Less fuel, less danger, less wear and tear.
I'm sure I worded it all wrong. Wouldn't be the first time. But I don't
think the engine oil actually has to get to the boiling point of water
to evaporate the moisture.
The idea intended was that an automobile needs to occasionally be taken
out and driven enough to get it up to and keep it up at proper operating
temperature for an extended time - more than a few minutes.
The car will last longer if you do that than it will if you only use it
for short trips and never do really get it up to proper operating
temperature.
And it IS a good idea to change the oil once in a while. AND check the
oil once in a while between changes.
I guess the thing is this. I've been seeing a lot about electric cars
lately. They seem to be good for about 45 miles per charge.
If all of your driving is such that an electric car could do the job on
one or two charges a week, but you have a regular automobile - that
regular automobile will serve you better, last longer ... if you do take
it out on the highway for a couple of hours every couple of weeks.
--
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