Re: [DML] Oil Pressure Weirdness

["therealdmcvegas" <dmcvegas@xxxxxxx>]

There isn't anything wrong with taking your car to a shop to get the 
oil changed. If you're pressed for time, that's understandable. 
However, leaving it all up to the shop to choose the oil, that's 
definetly a big no-no! It doesn't matter who makes the oil, or what 
the people in the shop think. It's the engine itself which determines 
the oil, not the guy filling it. To help determine which kind you 
use, check either the Owners Manual, or the back archives.

As for the gague read outs on the dash, I honestly don't know a 
specific answer, other than perhaps go back, install an OEM oil 
filter, and refill the motor with the proper weight oil. I've only 
recently installed a properly calibrated sending unit, and have only 
run 15w40 oil in it. So if I were to run a lighter, or heavier oil, I 
don't know yet how much that would affect the gague. But with mine, 
around 50PSI @ idle is normal, and 40 or so when warm. Durring a fast 
rev, I don't beleive that the pressure has gone past 70PSI...

Now, if you want to know if you have the original sending unit 
installed, look at you oil pressure gague. Durring idle, the needle 
occasionally clicking between a few PSI is normal. But if you've got 
the incompatable/uncalibrated sending unit from the factory, you'll 
see the needle violently bouce all over the place, and almost 
constantly. Rev the motor up higher than idle, and the needle almost 
always pegs out @ 80PSI. From you previous description, it sounds 
like it's already been replaced.

-Robert
vin 6585 "X"



--- In dmcnews@xxxxxxxxxxxxxxx, "Scott McMullan" <mcmullas@xxxx> 
wrote:
> I wish I could give you real answers to these questions, but... I 
haven't
> changed the sending unit and the P.O. didn't mention it in the list 
of work
> he had done to the car (I've had it for almost a year), and I left 
the
> choice of oil weight up to the shop where I had it changed. \



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