Why oh why. Sudden oil pressure drop.

I'm thinking that if you cracked another pickup, it must be stressed in some way, and my first thought is "the pan." Look for wear/ rub marks, etc. Keep in mind that skillions of B/RB Mopars ran for decades and I'm joking. I know you realize that

I did bump it on the rolling jack that crosses the 4 post lift but it does not look bad.