oil choice

[Water Strider]

OK, I just have to ask. I'm on the learning curve here.

I've seen plenty of advice to use chain saw oil in the air cooled clinton engines.

I've also seen advice that outboard oil is fine.

Given a quality oil, wouldn't mix ratio have a greater impact on it's ability to lubricate?

Does it really matter?

Why?

What about fuel additives like sea foam, carb/injector cleaner etc?

Good, Bad, or indifferent?

Thanks

 

[WillyBWright]

Re: oil choice

Additives can mess with the oil's ability to lubricate. Avoid them in general. It would be better to use chainsaw oil in a water cooled outboard than to use outboard oil in a chainsaw. Air cooled powerheads run much hotter and the oil is designed for those temperatures. Outboard oil doesn't stand-up as well in high temps. Adding more oil only adds more fouling compounds.