Quote:
Originally Posted by srmmmm
I've always used Shell premium with no additives. Original pre-cat O2 sensors lasted 260,000 miles and I didn't have to replace the catalytic converters until 379,000 miles. Never had any injector problems.
I do use the Sta-bil treatment in every tank of fuel (Shell mid-grade) in my personal watercraft though. I paid the price of a new short block from ethanol damage in the two-stroke PWC I had earlier. At least the current one is a four-stroke and can't suffer the same level of destruction.
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+1 for Shell premium. It was the only fuel I would run in my E53, before the Flex-Fuel conversion. I never had to add anything to that fuel either, unless I was using it my two stroke rigs.
My small engine fleet, 4 and 2 stroke will start usually on the 1st pull, if not 2nd even after sitting 6+ months.
Sta-bil is an excellent product as well.