Drop me a PM and I'll try to walk you through some checks to find where you might be losing voltage to the starter and/or the ignition system. I drove a 47 Mercury for years with over 11:1 compression and a 6 volt electrical system!
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!