My dad gave me 3 years ago his 1998 big bear and ever since i been running Reguler and i been told by people to stop and use permium. and by ot thers to use b12 gas treatment in my reguler.
something about ethanol i know it can hurt the engine. But the gas i dont use up in two weeks a just drain the tank and put fresh gas in any advice like the diffrences in performence if i swich
