Bought some oil today!

Post by **MoVolvos** » 25 Apr 2022, 23:00

Clemens wrote: 24 Apr 2022, 08:19 Mobil 1 0W-40 was problematic in my 96R as well. I settled with 10W-40

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After figuring out it was the Mobil causing the head gasket leaks I stopped for years then the 0W-40. No Mobil for MoVolvo ever again.

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Post by **abscate** » 26 Apr 2022, 00:02

For years , shell and Mobil shared a factory for their additive package, but that changed sometime ago.

Since then , it’s good practice to not mix shell and Mobil products from the old factory

454cid · Post by **454cid** » 26 Apr 2022, 06:29

MoVolvos wrote: 25 Apr 2022, 23:00
Clemens wrote: 24 Apr 2022, 08:19 Mobil 1 0W-40 was problematic in my 96R as well. I settled with 10W-40
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After figuring out it was the Mobil causing the head gasket leaks I stopped for years then the 0W-40. No Mobil for MoVolvo ever again.

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I'm not understanding how an oil would cause a blown headgasket.

Post by **abscate** » 26 Apr 2022, 08:27

I think just seeping , not a full “blown” gasket

Post by **MoVolvos** » 26 Apr 2022, 18:00

abscate wrote: 26 Apr 2022, 08:27 I think just seeping , not a full “blown” gasket

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Yes, not blown as there were no coolant involved, just oil leaks but they became pretty bad in no time. 03 E320 60K, 99 Galant 99K, and 88 Camry Wagon 235K if memory serves me right. All three were on the edge of the block.

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Post by **MoVolvos** » 26 Apr 2022, 18:03

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And I also "Bought Some Oil Today" Stock up as it's 50% off and some are today only!

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https://shop.advanceautoparts.com/o/adv ... -and-deals

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454cid · Post by **454cid** » 27 Apr 2022, 20:16

I noticed today my local Menard's got a bunch of Rotella in stock. I did not buy any, but I likely will. I've run the T4 in my truck, besides the T6 in the Volvo.

Post by **kklepack** » 27 Apr 2022, 21:28

I've been reading and I'm confused. So what is the best oil xxw-xx for P80 to use in the midwest?

454cid · Post by **454cid** » 27 Apr 2022, 22:46

kklepack wrote: 27 Apr 2022, 21:28 I've been reading and I'm confused. So what is the best oil xxw-xx for P80 to use in the midwest?

Dunno, but according to the owners manual 5w40 covers the widest range of temperature, so that's what I'm going with. I'm confused by their thoughts on 5w30 and 10w30. Apparently in Europe they run heavier oils than we do in North America. I would not consider 30 a light oil, but very normal, and currently on the heavier side compared to what many manufacturers are now specifying.

I'm still not sure what the factory fill for my 850 was.... I'm guessing 10w30. I don't see it listed in the manual, and I don't see it on the cap.

Post by **erikv11** » 27 Apr 2022, 23:11

kklepack wrote: 27 Apr 2022, 21:28 I've been reading and I'm confused. So what is the best oil xxw-xx for P80 to use in the midwest?

I like 5w-40. I have a bunch of that (Rotella) in the garage still. Using it in all the Volvos.