Sludge under oil cap, help!

[AnyMal]

We're the king of short trips 9 months of the year. Grocery store is 5 blocks away, youngest's school is 1/2 mile, etc. Our town is 8 square miles, and we probably only drive out of it twice a month on average. It's been in the upper 20s/low 30s for the last month or so, and it's 12F out right now. There's no milky residue on my oil cap after ~2000 miles. Anyone who experiences this should start by changing their PCV valve.

Exact same story here. It basically only does short trips, outside of once a month across town and once a year twice a year to Houston.
Never any fouling in oil other than a LOT of gasoline LOL. Thats why ive switched to costco mobil 1 5w-30 every 2500 now. Its pretty cheap. Filter every 5k because lazy.

I also changed PCV at 60k to keep it that way.

BTW no need for a catch can on the 3UR, the vapor release channel system is internally baffled and redistributed.
I posted a pic once of this. May even be in this thread.