Good points, Oly! I'd forgotten about the vacuum booster pumps! If it's a later model with a PCV valve, that's another possibility. If it's stuck open, it will draw enough oil out of the crakkcase to smoke, and use oil. 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!