My little brother recently got a hold of *sigh* another square body chevy, and while it is a nice truck with a bone stock 305(?) that from the looks of it was at the very least taken out and painted within the last few years, it just decided to piss everywhere. It was like the garden hose turned on. It came from the oil filter area. I have a picture here. The filter that's on it is not the one that was on it when it blew, it was a BOSCH 3510. It never leaked before, until today. What could be the problem? There is NO oil near the oil pressure sender on the back of the motor, there is oil on the driver's side cross over pipe and the drivers side of the inspection cover. And here is a picture I took. What is that sender with the wires going to it? I'm not familiar at all really with SBCs. Any help is appreciated.