BNM 3 liter page has most of the info needed for a BNM 3 liter.
Option 1. Get a 3 liter salvage engine delivered to me and rebuilt for under a grand in parts, plus $300 assembly labor, plus shipping of the short block to you (around $100).
Option 2. Get a 3 liter salvage engine delivered to me and rebuilt for under a grand in parts, plus $1500 labor for the install.