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Old 10-26-2013, 02:07 AM   #73
Scooby Newbie
Member#: 55255
Join Date: Feb 2004
2003 MY04


The reason I ask is im already VTA but I'm still seeing oil in my intake manifold.

My engine is making 500hp atw @ 30psi. Was only retuned recently and got a leakdown test done, all good. Got a Crawford AOS hooked up but ended up with to much oil in the intake. I pulled all the ic piping off from turbo to tb and cleaned everything including the cooler core with petrol. Then took the intake manifold off and cleaned that out too.

I figured I'd clean it all once and for all since I was never gonna get oil in there again cause I was going VTA.

Anyway I pulled the manifold off last week and it's got a decent amount of oil in there. The intake pipe before the turbo is clean though.

I just assumed my turbo was stuffed since it's blowing oil. But after reading your post about what precision turbo said, my turbo might be ok if I get a better AOS setup?

Basically that return hose on top of the Crawford aos. I get oil blowing into my intake manifold if I hook up that hose or not.
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