Turning one cylinder into an air compressor involves a lot more than just disabling one valve, unless the guy was pumping a very explosive gasoline/air mixture into his tires. I think Forrest Gump's Mama had something say about that!
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!