oil burn? - 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 03-16-2011, 03:16 PM   #11
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I think the Restore thinned out the new oil some. As long as the oil pressure doesn't go into the red zone, you will be fine.


I have noticed with fresh oil changes, the OP will be real high, but after several weeks, the OP will average around 40.
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Old 03-16-2011, 04:09 PM   #12
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Well it scares me that it stays at 40 when it was at the next line up (60-80?) and it just dropped out of nowhere
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Old 03-17-2011, 01:48 AM   #13
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While thinner oil flows better through a dirty engine'* smaller passages, it also flows better out of any leaking spots you may have. Keep an eye on your dipstick and your parking space.

According to my Haynes manual, with straight 10W30 oil, a Series I motor like yours should be running minimum 37 psi at 2400 rpm. Otherwise, it might be overhaul time.
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Old 03-17-2011, 02:10 AM   #14
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Unless he'* specified somewhere else, he has a Series II in that 95 of his. And according to my 1995 GM FSM, 60PSI @1850 RPM using low 30 oil. That'* about what I usually see on a fresh oil change.
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Old 03-17-2011, 07:49 AM   #15
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Ok, so when i get the chance ill actually change the oil. It must be the additive that lowered it, I didnt see any leaks when i went out to check and i checked my parking spot when i got to school yesterday after this whole thing occurred but that doesnt mean that i didnt miss anything.
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Old 03-17-2011, 02:51 PM   #16
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Quote:
Originally Posted by Mike1995 View Post
Unless he'* specified somewhere else, he has a Series II in that 95 of his.
Oh yeah, that'* right. 1995 was Series II NA and Series I supercharged. I always mix up those two.
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Old 03-17-2011, 03:51 PM   #17
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Quote:
Originally Posted by SignOfZeta View Post
While thinner oil flows better through a dirty engine'* smaller passages,
To a degree oil pressure is regulated by the oil pressure spring and plunger. Had to quote you for Justin though. I'm sure he'll giggle too.
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Old 03-17-2011, 05:05 PM   #18
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Throwing engine restore at thus time wasn't wise. You only need restore if you have low compression.
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Old 03-17-2011, 09:30 PM   #19
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Oh well ill change it out sometime and not put more in. I did clean my pcv out in my class' part washer just in case that had something to do with it.
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Old 03-17-2011, 10:43 PM   #20
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Quote:
Originally Posted by SignOfZeta View Post
Oh yeah, that'* right. 1995 was Series II NA and Series I supercharged. I always mix up those two.
1995 was the first year Series II came out, this was for both platforms, L36'* and L67'*.

Ooops, my bad, according to Wikipedia, the L36 was the only Series II in 1995, the L67 came out in 1996.
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