That "bulldog" cam has a bit of a rough idle- - - -you might be chasing an ignition gremlin that doesn't actually exist. How's the idle vacuum- - - - -stable, or fluctuating a little?
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!