If you were forced to use 1 motor oil for life....

[4WD]

Yellow is easy = Shell/Pennzoil ... what’s green, QS or you mean bp ?

 

[Dyusik]

DELO XLE 10W30 in a CJ4. I'd be ok with that in everything I own for where I live. The Harley would need an oil cooler though.

 

[SilverSnake]

PUP

 

[Merkava_4]

Valvoline Synpower. Sinful Valvoline. Somebody had to say it!

 

[Bud_One]

Chevron Supreme 10W30

 

[Inspecktor]

Originally Posted By: Johnny2Bad
Easy answer, Mobil1 0W-40
Same here.

 

[wemay]

Valvoline

 

[joeparker54]

Store Brand

and my 4.6L WILL last forever.... the rest of the car, IDK.

 

[RichardS]

Pennzoil.

 

[exShuttlemech]

Mobil 1 0W40 FS

 

[Shannow]

Originally Posted By: Chris142
Diesel or gas engine?


15 years ago, it would have been M1 0W40

Now it's Delvac 1 5W30 LE

 

[blupupher]

Originally Posted By: JohnnyJohnson
The one on sale!

Yup.

If I had to stick to one specific brand, probably Valvoline.
Why, just cause.

 

[Garak]

Originally Posted By: Shannow
Now it's Delvac 1 5W30 LE

Probably the same for me, some sort of E6 lube like that, too, which would be suitable for both, and even Euro applications. The price of them is right, too.

 

[4WD]

That’s a good one ~ had Delvac 1 in my head…but my D1 stash is 5w40 and now have 3 I’m feeding 20 so 30 is a compromise
(For the sake of this game)

 

[Camprunner]

Valvoline Synpower 5w30 since I tried it in all three cars nothing seems to run smoother.

My grandfather would have said Oilzum 10w40 and my father Formula Shell conventional 5w30

 

[Colt45ws]

One of the diesel 5W40s.

 

[jongies3]

Pennzoil Ultra

 

[lawrencerd]

Valvoline Full Syn with Maxlife 5w30

 

[Speak2Mountain]

Redline 5w30

 

[Matagonka]

Mobil 1