TDC happens twice- - - -once on compression and again on overlap. Firing the plug at the valve overlap point results in a "no start" condition. Be SURE you have compression when the plug fires.
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!