Recent content by trbostjr

I was a Sunoco dealer in Charlotte from 1972 to 1985. Glad to see it's still around. Sunoco 260 had 103.6 octane. We could advance base ignition timing way up on some engines for extra horsepower.

dnewton3, No kudos needed. I use search and find answers usually. I understand about sulfur causing corrosion. wpod, thanks for note on correct oil for temperatures. My son lives in Idaho, it was 17 F in Bellevue the other day when it was 63 in NC. Why, why, why would Kubota insist on leaving...

Hello, I own a boat with a 2005 Kubota Beta Marine 38.5 horsepower diesel engine. I'm posting here because I would classify this engine as heavy duty. The original operator's manual states, "A good quality 15W/40 multigrade oil as used in most car engines will meet these requirements. Do not use...