understanding a low oil pressure 360

HOLY CRAP!! We are neighbors. We asked about your lifters because some roller lifters in some blocks can uncover the oil gallery and drop your pressure.

Did Jim build this?? If so I’d say the chances of him leaving a plug out is about 100,000:1. I can happen but it is highly unlikely he forgot a plug like that.

We are all human and can make mistakes so it may be worth looking into.