I got a 270(GMC) from a truck that had just been overhauled and never put back together. When I finished and started it up after I added a full flow filter as in the tech section, it blew the filter off.
Turns out it has too much oil pressure, over 150PSI at the aft end of the gallery, so my best guess is they didn't line up the holes in the bearings with the holes in the block. I haven't disassembled it yet, I just rebuilt a 302 instead.
Anyone else have a similar experience?
