one rich and one lean cylinder one steals part of the other's charge.
Look at the firing order on an inline six. It's hard to steal a charge when one of the intake valves sharing the port is closed for 360 degrees of crankshaft rotation. 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!