Oil in throttle body

[Doubletop]

This is the amount of oil in the back of the tbi throttle body after a little over 100 miles. New PCV valve and all cylinders have 150 psi compression except for cylinder 1 has around 130. Any ideas? Can I delete this hose from the driver's side valve cover and just put in a breather or maybe run an oil catch can before it goes to throttle body?

 

[gmbellew]

Is it oil or fuel? If you are getting oil there, I’d be looking at the PCV valve in the other valve cover and its associated plumbing to the TBI. The crank case must be getting pressurized somehow to do that , as that side is just pulling fresh air into the valve cover to balance out what the PCV is sucking out and burning up in the combustion chamber.

If it is fuel, the fuel pressure regulator is leaking.

 

[Doubletop]

It's definitely oil. It's milky from mixing with the condensation, but it's thick like oil.

 

[fast 99]

If oil, there is excessive crankcase pressure, wrong or bad PCV, restriction in PCV system. or possible broken oil shield inside valve cover.