Re: Premium gas
I now use mid-grade ethanol 89 octane in my mowers.
I have before used some straight 87 fuel without any other added additives and the engines seemed to run hotter and noisier in my summer, high heat index weather. So now, I also put in the 5gal cans I use to fill mowers, some cheap Walmart 1/2 bottle fuel additive/stabilizer and a 1/4 oz of Marvel Mystery Oil per 5 gallons.
This way the fuel keeps longer without going stale and robbing me of octane rating.
I do shop at a local grocery store that gives discounts on fuel for one local gas station to help ease the pump prices.
1967 Cub Cadet 102-Kohler K241(10hp) Kept as original as possible.
1990 Kut Kwick CL20-60-Onan P220(20hp) Front deck/rear steer commercial mower
2003 Craftsman GT5000-B&S engine(24hp) Manual transaxle