Your block is posted on the South Jersey CL. Saw this posted over on TC.
Here is the ad...
https://southjersey.craigslist.org/pts/5606206851.htmlUp for sale is a 1967 Camaro SS 350 L48 Block, 295 hp, 3892657. This block was bored to .30 over and pressure tested on 5-11-16. The block has a K4 casting date (November 4, 1966) and a pad stamping of V1123MU (November 23, 1966). The MU casting was for a automatic transmission. The partial vin is 7N143643. Block was sitting for 10 years and is in very good condition. Text me for any additional info. Pick up only. 295.00 firm.
contact name: Tom
text: (856) 430-1417