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Posted by: Geezer914 Jun 21 2022, 07:20 AM

Oil survey, what brand oil and weight are you using? Joe Gibbs Driven 15W50.

Posted by: mgphoto Jun 21 2022, 08:09 AM

Penn Grade One 30w

Posted by: Steve Jun 21 2022, 08:59 AM

Valvoline VR1 20-50

Posted by: Elvira Jun 21 2022, 09:23 AM

Motul performance. 20 W 50.

Posted by: sb914 Jun 21 2022, 09:36 AM

There’s probably 100 threads on this subject.

Posted by: Root_Werks Jun 21 2022, 09:59 AM

Do some searching, there's an overwhelming amount of information.

That said, it depends on a bunch of factors:

Age of engine (miles/hours)
Type of engine and use
Climate
Available funds for oil
etc.
etc.

Examples:

My $500 Truck gets whatever I can find laying around, same with our $1500 airport Jeep
Airplane gets 15-50 Aeroshell
Bug and 914-6 both with hydro lifters get the Castro 5-40 Euro as it seems to work best with the lifters.

Seems like if you can keep oil between the little lines on the dipstick, you've done 90% of your job.

Posted by: digit3 Jun 21 2022, 10:31 AM

Liqui Moly Hi Tech 20W50

Posted by: g911 Jun 21 2022, 10:31 AM

I also use the valvoline vr1 20-50

Posted by: mlindner Jun 21 2022, 11:04 AM

Pen Grade1 20-50.

Posted by: emerygt350 Jun 21 2022, 12:40 PM

Mobile 1 0w40 euro blend. Cause I like to be different.

Posted by: 914-300Hemi Jun 21 2022, 08:23 PM

Valvoline vr1 20 50

Posted by: Front yard mechanic Jun 21 2022, 08:27 PM

Only the best Walmart 20/50

Posted by: aharder Jun 22 2022, 06:23 AM

Mobil1 15/50

Posted by: GBX0073 Jun 22 2022, 07:08 AM

Valvoline VR1 20-50

Posted by: rhodyguy Jun 22 2022, 09:02 AM

A case of old skool BradPenn.