You could also first pull the valve covers and get a set of the long brass cleaning brushies -I think Napa has them -clean the oil returns then use the motor flush stuff...I was thinkin about using one of those clear aftermarket fuel filter assemblies between the pcv valve and the intake to keep track how much oil is gettin into the intake tract from the pcv= it would help to show when the pcv is goin bad and if the oil returns are gettin plugged again-since it has a clear tube= I think Mr. gasket makes on for like 14bucks.and it's cleanable

 

Oh come on!

I went into it very well and cleared myself of the crap. It's a term.

<<<<< Hydra's rolling eyes >>>>>