Quote:
Originally Posted by terje
Hi.
I have a 964 turbo, 91mod, with a recently rebuildt engine.
New Piston and cylinders
Rebuildt cylinders heads.....
I have started to get oil smoke from breather hose,
Was on the racing track, and got engine oil all over the engine bay.
The engine was not overfilled with oil.
I have done a leak down test, with these results:
1 - 2%
6 - 3%
2 - 3%
4 - 2%
3 - 2%
5 - 3%
These results was done with 100psi.
Do some of you have any ideas of what the problem can be?
Thanks
Terje
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It is possible your turbo is getting closer to needing a rebuild. As the journal bearings go the seal rings go and you get exhaust gas back into the crankcase.