Bobzilla is correct. I have found that even on the LA roller cam blocks, the oil filter mount is machined to a different depth.
@MRGTX, I have a block plate that I think might work for you. PM me your address and I’ll send it your way.
I was going to try an ignition from FBO, using one of there distributors, for another performance small block build. I dunno, my MSD Digital 6plus box hasn’t given me problems yet.
http://www.4secondsflat.com/Mopar%20distributors.htm