I have boost getting into my crankcase. the only way i see this happening is from the oil drain hose that goes to the oil pan. have any of you ran into a similar problem?

 

Sure it's not blow by?

 

 

Me too.

But but check to make sure you dont have any Vac lines routing boost into your valve covers first.

 

How do you know your crankcase is under boost anyhow?

 

Probably the dipstick blowing out.

 

I knew mine was cuz the PCV system was misting at the back of the intake elbow during WOT high boost!

 

LOL yeah that would be a good indication.

 

How would you fix this anyway? Boosting the crankcase that is.
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yes i am asolutely positive it is not blowby, no vacuum going to valve covers, dipstick isn,t pushing out but on the dyno my air fuel is way rich, and all over the place, after boost peaks at 17 it starts to drop, and while building boost on the dyno i feel more and more pressure from the breather hose coming off the valve covers.as the boost increases crankcase pressure increases.