My blue smoke started right after I towed a heavy boat up a huge long hill, floored the whole time. I'm thinking since one of my CVV's was torn, I worked up some crank case oil into my intake & it took a few hundred miles to drip into the combustion ports and burn away, cause it's not smoking now and I have no further oil consumption. I'm still running heavier oil but will change it out to the standard 5w-30 in December when she's due next. Hmmmm.

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'06 4.8is Imola Red
'91 911 Turbo
'86 928S Turbo
'82 928 Turbo Race car
'80 Porsche/Glastron Carlson CVX 20 Intimidator,
'74 911 RSR Tube-frame clone Race car