I've encountered 3 month old "gasoline" that hadn't been treated with stabilizer that could just barely be lit with a match- - - -definitely not a spark plug! One of my former students and I struggled for 3 hours to start an engine, and failed miserably until we used fresh gas!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!