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5 Mk I incl Gordini Help needed, 5 Alpine turbo, rebuilt turbo sucking oil

skny

New Member
Hi guys, need some help as to where to look for a problem, had the turbo rebuilt twice with the same effect, once all is connected I have a lot of oil getting in the turbo, when I put the carburator off, put it directly on the intake manifold, I can have it running for hours with no oil coming through... whenever I put the carburator where it should be, it happens again... maybe I have some breathing pipes attached the wrong way around, or its in the carb not set properly, but cant seem to find a solition, engine is freshly rebuilt as well, was running without the turbo all fine, no oil smoke, any ideas what I could have done wrong ? Did a 1mm gap on the throttle on the carb but then it revs to 5000 rpm so thats not going to work :) seeems like the vacuum makes the turbo suck the oil through.... same happens whatever way around I attach the breathing pipes, or when they are disconnected as well, would appreciate your help greatly, good day to all of you here!
 
that turbo needs rebuilding with a carbon seal in it, they need it due to being under vacuum, make sure its been rebuilt correctly as its not common on modern turbos
 
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