Originally Posted by bvw
white smoke on start up and when i get off the gas. valve guides ? 90k on motor 18 pounds boost how hard is it to replace valve guides m10 motor
White = coolant - blown head gasket
Grey = oil - valve guides, rings blow by etc.
Black = rich!
Leak down test is your answer dude.
Prolly valve guides. My advise is to do it right, once. Marcus Glarner Motors.