Quote:
Originally Posted by Arragonis
I feed mine the VW spec 505.x (I think thats the spec) synthetic oil and at the moment it uses non between changes which is why my I looked elsewhere for my recent turbo smoke than worn parts. Luckily my gaffer tape / turbo boost pipe fix seems to have cured it.
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I suspect the smoke you were seeing was as result of lost boost pressure--the boost pipe you fixed was on the pressurized side, correct? Assuming that, the smoke was likely unspent fuel the engine injected while expecting full boost pressure. Hence the reason naturally aspirated diesels tend to be a bit smoky; the extra air helps to burn all the fuel.