Originally Posted by NEAT TIMES
I Remember The Spark Plug Testers Every Gas Station Had Years Ago. You Hooked Up The Air Hose And Turned Up The Air Pressure Until Spark Plug Quit Firing. New Plugs Would Misfire Also When Air Pressure (compression) Was High Enough. Weak Cdi May Be The Cause. Hang In There!! It`s A Test!!
hey i remember those too....
we use to hook it up to the bathroom door
when one of the guys went for a piss.
when the door knob wiggled we hit the button
great for a laugh if you were outside the can lol