Oil pressure gage problem - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-20-2003, 01:07 PM   #11
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Quote:
Originally Posted by SSEimatt93
i just changed the oil tonight i went cheap lol Valvoline 10 W 30 basic oil, and a new AC Delco filter.
There'* nothing "cheap" with that at all, other than the price. I routinely run my cars waaaay over 100,000 miles using exactly what you listed there, and no other miracle crap additives at all. You'll be fine with that.

As for the oil pressure reading, swapping in a mechanical gauge temporarily will enable you to get a "second opinion" to tell you if the original sending unit is going bad, or if you really do have a weird high-pressure problem there.
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Old 05-20-2003, 02:31 PM   #12
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Originally Posted by SSEimatt93
so if my sending unit is going when i hook up a real gage it will read the same as the old stock gage??
I wouldn't normally hook up a tester gauge to the existing sending unit.... Actually this may help you decide whether the sending unit or the dash is bad. First I would check to see that I really don't have goofy oil pressures.
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Old 05-20-2003, 02:45 PM   #13
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Lol synthetic makes you leak oil, how do you figure?
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Old 05-20-2003, 03:26 PM   #14
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Lol synthetic makes you leak oil, how do you figure?
The extra detergent properties of synthetic oils tend to remove the existing varnish or buildup (for lack of a better word) that previous organic oil did not, which tends to open leaks in worn seals that up to that point had not been leaking.

In short, switching to synthetic at an early point in the engine'* life may help minimize wear over the long haul, but switching to synthetic much later on will simply enable it to leak out through, and around, the wear that has already taken place.
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