My 2001 Cummins built 528 was rebuilt by Ray Barton on Mopars tab to the tune of $5000. I agree treat this block as a core, the finish on the cyl walls is too rough, and will square edge the rings if run.

Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451