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The mkiv Supra Owners Club

smoking mystery , what else could it be?


iaintslow

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New valve seals, just install single and still smokes.

Car only puffs oil smoke when warms up and only when i tap the gas after idleing, doesnt smoke when i drive, only when i rev it after idleing, if i keep reving it it doesnt smoke. I already tryed oil restrictor on the turbo and still the same.

Edited by iaintslow (see edit history)
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As a norm yes mate, although Ive seen engines that seal some blow by with higher cylinder pressure ie revs, in addition a higher ratio of exhaust gas per ml of oil leakage can be very hard to see.

 

Worth a leak test to be sure. Just an option chap.

 

James

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Rings? wouldnt it be smoking all the time? and on boost specially?

 

might sound stupid but oil couldnt have leaked into your exhaust could it? actually not stupid! when i had my engine changed a year ago, when taking everything apart some oil had leaked down the manifold or something and it smoked like that, eventually it burnt off and disappeared totally.

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