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#3186843 - 11/13/13 05:39 PM Oldsmobile Aurora 'Best' 10w30
sallc5 Offline


Registered: 04/05/13
Posts: 11
Loc: West Virginia, USA
Looking for opinions on which brand/type of oil to use. The common question haha...

I drive a 1996 Oldsmobile Aurora with 107,000. It has a 4.0L aluminum V8. Same engine as the Cadillac 4.6L Northstar with smaller displacement. The owners manual calls for 10w30 with Starburst label/API.



I currently reside in WV and this will be for a winter oil change. Temps are usually well below 60* once winter settles in. Although not quite there yet on a daily basis.

My drives are usually short city trips but often drive spiritedly. Ocassional 400 mile round trips once every couple months.

My vehicle currently doesn't have any problems other burning losing about a quart of between changes. This is very common for these engines. Oil pressure is A okay.

Currently using Valvoline Maxlife 10w-30 at all times. With 3000 mile OCI regardless. Was comtemplating switching to Rotella T5 10w-30.

Just looking for an opinion on what the 'best' winter and summer oil would be! I appreciate the insight and enjoy reading forum posts around here. If need any more info please let me know. Thank you.


Edited by sallc5 (11/13/13 05:43 PM)

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#3186856 - 11/13/13 05:55 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
y_p_w Offline


Registered: 05/06/05
Posts: 2776
Loc: SF Bay Area
Originally Posted By: sallc5
I drive a 1996 Oldsmobile Aurora with 107,000. It has a 4.0L aluminum V8. Same engine as the Cadillac 4.6L Northstar with smaller displacement. The owners manual calls for 10w30 with Starburst label/API.

I think we've gone over this before, but "same block" would probably be more descriptive and accurate. One criticism about the Aurora engine was that the smaller bore (compared to Northstar engines) increased the weight of the block.

I'd be tempted to simply use a modern 5W-30 year round. The reasons why a 10W-30 was spec'ed (probably volatility and VI improver breakdown) are no longer an issue with modern motor oils.

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#3186857 - 11/13/13 05:55 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
dave1251 Offline


Registered: 07/15/05
Posts: 8058
Loc: Maricopa, AZ
It seems like Maxlife has served you well. I would not change other than extending your OCI to at least 5K. 3K is such waste unless you idled your Aurora greater than 50% of the time it is in use.
_________________________
make the inside of your engine oil cap white.
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#3186859 - 11/13/13 05:58 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
GutsyGecko Offline


Registered: 08/16/12
Posts: 426
Loc: Youngstown, OH
Get whatever 5w-30 is cheapest for 3k oci's.

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#3186873 - 11/13/13 06:06 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
sallc5 Offline


Registered: 04/05/13
Posts: 11
Loc: West Virginia, USA
So, you fellas are saying 5w30 all year around...?

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#3186877 - 11/13/13 06:10 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
TFB1 Offline


Registered: 09/03/10
Posts: 3491
Loc: VA
Originally Posted By: sallc5
So, you fellas are saying 5w30 all year around...?


Yup or at least for the winter fill... A 0W-30 would be better yet...

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#3186879 - 11/13/13 06:11 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
AP9 Offline


Registered: 07/10/13
Posts: 256
Loc: Chicago suburbs
I don't see any harm in doing so. 17 years ago, 5W-30 oils were less shear-stable than the ones of today.
_________________________
2000 Ford Explorer XLT 4WD (4.0L OHV) - QSUD 5W-30/MC FL1A
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#3186893 - 11/13/13 06:22 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
Greggy_D Offline


Registered: 03/03/05
Posts: 1553
Loc: Near Ann Arbor, Michigan
Originally Posted By: sallc5
So, you fellas are saying 5w30 all year around...?


Yep.
_________________________
Greggy D.


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#3186920 - 11/13/13 06:43 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
aquariuscsm Offline


Registered: 12/30/06
Posts: 13434
Loc: South Texas,USA
Keep using the Valvoline 10W30.
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#3186934 - 11/13/13 06:56 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: aquariuscsm]
TFB1 Offline


Registered: 09/03/10
Posts: 3491
Loc: VA
Originally Posted By: aquariuscsm
Keep using the Valvoline 10W30.


I would in S TX but NOT WV...

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#3186958 - 11/13/13 07:14 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
901Memphis Offline


Registered: 08/14/10
Posts: 10711
Loc: Northern Kentucky
PYB 5w30 should be good for 5k. It has more TBN than Valvoline which make it suitable for longer runs.

Maxlife should be good for 5k anyways.
_________________________
2002 Buick Century 125k - Built 4T65e(Maxlife) - M1 0w40 /Fram Ultra XG 3387A
1998 Nissan Altima 335k - 5MT - M1 HM 5w30/Fram Ultra XG7317+MOS+ATP 205

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#3186969 - 11/13/13 07:20 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: Greggy_D]
BobsArmory Offline


Registered: 03/28/10
Posts: 936
Loc: Michigan
Originally Posted By: Greggy_D
Originally Posted By: sallc5
So, you fellas are saying 5w30 all year around...?


Yep.


Yep Yep.. Max Life
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#3186983 - 11/13/13 07:36 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
95busa Offline


Registered: 10/15/05
Posts: 1249
Loc: Tennessee
Doesn't matter a whole lot
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#3187056 - 11/13/13 08:35 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
daves87rs Offline


Registered: 02/23/09
Posts: 15555
Loc: Michigan
Originally Posted By: sallc5
So, you fellas are saying 5w30 all year around...?


Yep, and just keep with the maxlife....
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Whatever you are, be a good one.

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#3187060 - 11/13/13 08:42 PM Re: Oldsmobile Aurora 'Best' 10w30 [Re: sallc5]
Boss302fan Offline


Registered: 11/07/09
Posts: 2213
Loc: Oconomowoc Wi
My son had one and it ran great on Shell Rotella 10W30. I think it is a semi syn oil. Could also try Defy...
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