Has anyone ever seen a 400 with multiple date stamps? If so, where on the block? I'm talking '78 and '79 primarily where TA builds occurred at various locations (Cali and Ohio). Was placement ever different between the locations and did the W72 performance package influence it?
Understanding the engines began their lives in Michigan, were stored in Ohio for two years, and then put into production as part of '78s and '79s.
thoughts?
