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Straight weight oil will eventually ruin your roller cam and lifters. I would use the factory recommended oil.
Your motor doesn't have anything to tell....no ECM/ECU
Thanks. That sounds like good advice as soon as I know the motor still works.. I want to buy one new battery first and pair it with my good starting battery
I had a similar problem with an 85hp Merc. It wasn't flooding though, it was starving for gas. It turned out to be my fuel line from the ethanol gas,
I'm trying to give an engineering based view on how Crusader recommends oil grade. Crusader wants a 40 oil in their engines, and has for many years.