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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-06-2005, 06:14 PM   #11
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No oil on the ground other than the couple drops that you don't worry about because of the age and mileage of the car - my driveway'* clean.

Oil is changed religiously, always at home. You could even say that oil is sometimes changed more often than 5000km (3k mi).

The engine was cold when the oil was changed. The car was parked facing uphill, however, when it came time to drain, the car was in the garage. I don't think a significant amount of oil could've made its way up to the valvetrain in that time that the car was moved a few dozen feet - and stayed there.

[guess]valve cover gasket leak onto hot exhaust manifold?[/guess]
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Old 03-06-2005, 07:03 PM   #12
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Quote:
Originally Posted by repinS
The engine was cold when the oil was changed.
I always warm the engine up to near operating temperature when changing the oil. ESPECIALLY at this time of year when the oil flows really .....*.....L....O....W......when it'* cold. That may account for some of the oil loss, or possibly None Loss. It'* still in the engine. The next time you change the oil, take a reading on the old dip stick to see what'* really in the crank case.

On a side note, I am just amazed how little oil is lost in between oil changes on my Olds. I can't see how it is "Acceptable" for the loss of 1 quart of oil every 1000 miles in the 21st Century when engines are built to tighter tolerences.
Back in the "bad ol' days" whenever you talked to someone about your car, the real Ol' Timers would always ask you "Burn any Oil"???
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Old 03-06-2005, 08:51 PM   #13
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Quote:
Originally Posted by opensourceguy
Now that is interesting. I use 5 quarts every time. And it usually is only 3/4 of the way into the cross-hatched area. The oil filter uses about 1/2 quart, but before I used to fill it up before putting on a new one, I would always loose a few holes on the dipstick upon startup. So, 5 quarts everytime. My car is a poor example of how much oil she used, because I had an oil leak [it was VERY apparent it was the Lower Intake gaskets, they were riddled with oil passages in the gasket]. But I used about 1 quart /1000 miles towards the Summer when my mom gave me the car. She didn't burn a drop, never dropped any either. She'll be oil tight by the time I am done with her.. [sometime.. ].


-justin
You also have to remember you have an oil cooler.... The SE and LE didn't have that option...lol

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Old 03-06-2005, 09:02 PM   #14
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Quote:
Originally Posted by Ol' Timer
On a side note, I am just amazed how little oil is lost in between oil changes on my Olds. I can't see how it is "Acceptable" for the loss of 1 quart of oil every 1000 miles in the 21st Century when engines are built to tighter tolerences.
Back in the "bad ol' days" whenever you talked to someone about your car, the real Ol' Timers would always ask you "Burn any Oil"???
I'm not 100% sure what it is... From what I have gathered most all of the Vin C and Vin L engines pretty much don't use oil... I do wonder about the 95-96 model years with the K engine... seems like a lot of these use a little oil... But on the same note piston ring tecnology seems to always be changing... The Vin K rings got closer to the top to help reduce hydrocarbon emissions, as well the rings got a wee bit skinnier to help reduce friction...

GM considers some oil burning normal( ofcourse they would )... I'd say 1 quart per 2000 miles would fall into the acceptable range...

Like I said, My 91 never uses anything for oil... Its always full...

I have taken my 95 on 2000 miles trips and killed of about 1/2 quart... I recently replaced the PCV valve to see if that would make a diffrence at all... My other one seemed to be shot.. And its due for an oil change...

So I have heard some Vin K owners have cars that use oil, and others that don't use a drop...

I have a friend with a 3100 and it goes through a quart or so every 1500 miles, Its always used oil, but still runs great at 150,000+ miles...

Family member has a Montanna 3.4 and it seems to kill of 1/2 a quart per 3000 miles..

Friends 3.0 V6 seems to do the same... His 92 Park Ave OTOH uses nothing... His 350 V8 uses nothing either..

On another note that really doesn't have much to do with this thread... I have actually seen a couple for 302'* from the factory with a compression ring upside down..lol

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Old 03-06-2005, 10:19 PM   #15
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Good point on the oil cooler lines. They could leak under pressure while driving.
Is it possible you didn't top it off al the way on the last change?
As far as consumption, yes I think the Buick 3800 doesn't use any oil as moms park ave doesn't use a lick.
My Bonnes tend to use 1/2 qt or so between changes.
Nothing I'm concerned with.....oil is cheap.
I once bought an 88 Cougar. They should give you a case of oil in the trunk to keep the
thing going.
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Old 03-06-2005, 10:43 PM   #16
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I have an oil cooler? Cool. I heard about them in the FSM, but I never found it. Is it mounted on the core support? And that does account for the extra oil I use.


-justin
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Old 03-07-2005, 12:28 PM   #17
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Quote:
Originally Posted by opensourceguy
I have an oil cooler? Cool. I heard about them in the FSM, but I never found it. Is it mounted on the core support? And that does account for the extra oil I use.


-justin
Its internal to the radiator, much like the Trans cooler lines... But the oil cooler is on the drivers side of the radiator...

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Old 03-07-2005, 09:52 PM   #18
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by opensourceguy
I have an oil cooler? Cool. I heard about them in the FSM, but I never found it. Is it mounted on the core support? And that does account for the extra oil I use.


-justin
Its internal to the radiator, much like the Trans cooler lines... But the oil cooler is on the drivers side of the radiator...
WHOA THERE!!! Are we talk'n the same H-Bodied Crankcase Oil Cooler Here???!!!
Our cars do have an "Oil Cooler" but it is NOT what you are describing. According to my FSM, the "Oil Cooler" sits between the Oil Filter Adapter and the Oil Filter itself. It looks like it is nothing more than a Heat Sink. There are no water lines going to or from this hunk of metal!
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Old 03-08-2005, 08:15 AM   #19
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Really? There'* always the "Is it an SSE?" stipulation when you're shopping for an 88-91 radiator, from my experiences... and I only assumed that was due to the oil cooler...
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Old 03-08-2005, 11:18 AM   #20
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My '87 uses no oil between changes, the level nevers drops a tick. Keep in mind it'* got 204k original. I always refill with 5 qts. 10w40 (non-synthetic) in the summer and 10w30 (also non) in the winter. Never have had any problems and oil pressure if 45-50 lbs always. Now i know my car doesn't have a oil cooler, but i think it has a P/* cooler. Can anyone back me up on this? There is something in front of the radiator, it hooks around the side then goes into a loop shape then goes back. I am having trouble tracing the lines (the get lost on the frame) but i think i see them going down to the rack. Who else has this? I can get pictures if necessary.
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