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Having been fighting riciculous oil usage in my 940 turbo for some time (sic!) and supposing it may be from inlet valves and being driven back down the little hose from the manafold to the flame trip and then enterign the airflow...
so i invented a little test... i made a airtight tin with in and out right angle pipe juntions and a crude filter on the 'in' junction indie the tin (filter is a simple aluminium mesh cylinder that the pipe emeerges into inside the tin)
I then connected the 'in' side to the flametrap and the 'out' side to the manafold fitting..
so i now have effectively introduced a volume of air in the manafold to flame trap hose where any oil etc will (hopefully) fall out of the air streem as the stream slows and passes through the mesh filter...sort of a secondary oil breather box if you will...
now this has bee non the car for a hundred miles or so....and i have the following findings...
1) there is evidence of an emulsion leading from the flame trap to the tin...but the hose to the manafold is preistine.
2) the tin had 1/8" of whitish emulsion inside it (the time in 2 1/2 " diameter)
3) the emulsion certainly I would say contained some oil...but smelt STRONGLY of petrol (gas)
Now it has been very wet and cold here (now quite warm) and i can see i may have some water being formed by condensation being involved here..and some oil possibly but where does the PETROL come from...????
anyone got any comments/suggestions or ideas???
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