Join Date: Apr 2017
Location: Redmond, WA
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I think the OP has a problem with his turbo seals that should be investigated first. Catch cans will work in a worn engine but in a healthy engine should capture minimal amounts of fluids unless the engine is being run hard, with multiple and continuous instances of getting off the throttle at very high RPMs like would happen during a track day.
A catch can was one of the first things I put on my Corvette. In normal driving that includes significant numbers of hard accelerations but no track time, I'll see an ounce or two of a very dark, tarry liquid after a few thousand miles. A full track day, with six or seven 20 minute sessions, will fill the catch can with three or four ounces of a more oily fluid.
For grins, I did temporarily hook up a catch can to our Rav4 that has the 2GR-FE V6 motor but it was bone dry, with only a very light oily film on the inside of the can after about 500 miles.