10w30 Full Synthetic Marine in Older Car

[Rmay635703]

Not sure where to categorize this but is the full synthetic “Marine Motor Oil” I occasionally encounter on super clearance have any benefits for an older Gas car/truck that sometimes sits outside an extended period?

Manual doesn’t need any better than SL and this stuff meets SM (yellow jugs not grey). 10w30 works, 25w40 would probably be good stuff for the rider oil burner and the truck oil burner.

Anything actually special about marine?

 

[TomYoung]

You are looking for advantages? None.

 

[MolaKule]

Not sure where to categorize this but is the full synthetic “Marine Motor Oil” I occasionally encounter on super clearance have any benefits for an older Gas car/truck that sometimes sits outside an extended period?

Manual doesn’t need any better than SL and this stuff meets SM (yellow jugs not grey). 10w30 works, 25w40 would probably be good stuff for the rider oil burner and the truck oil burner.

Anything actually special about marine?

View attachment 249685

4-cycle Marine oils have more of these chemical compounds in the DI package: rust preventives, metal deactivators, and demulsifiers. There would be no real advantage for a land engine that's run periodically. It might be useful for storage of engines.

 

[Rmay635703]

You are looking for advantages? None.

I bought a gallon a few years ago for $5.98. So long as it doesn’t break anything if it goes super clearance post season again that is all the advantage I need.

 

[OilStainedNapkin]

I bought a gallon a few years ago for $5.98. So long as it doesn’t break anything if it goes super clearance post season again that is all the advantage I need.

At that price, and the fact that it meets API SM, I’d personally use it

 

[Rmay635703]

Got some of this stuff again for $1.50 qt

One change worth of 10w30 and one change worth of 25w40 full synthetic.

What temperature range is 25w40 good for in a 5.2 gas pickup
(it’s not listed, HD30 is 32F+, guessing this stuff 25F?)

Truck rarely runs in cold weather so it may work as a spring/summer oil.

 

[addyguy]

Would def work well as a spring summer oil; and being full synthetic is probably good to much colder temp than you would expect.

 

[BornSlippy]

Got some of this stuff again for $1.50 qt

One change worth of 10w30 and one change worth of 25w40 full synthetic.

What temperature range is 25w40 good for in a 5.2 gas pickup
(it’s not listed, HD30 is 32F+, guessing this stuff 25F?)

Truck rarely runs in cold weather so it may work as a spring/summer oil.

 

[Rmay635703]

Considering how warm most of our winters are these days I could run 9 out of 12 months, sheesh