malibu6878
02-09-2010, 10:05 AM
it is a big block chevy casting number is 3969354,(have picture)not 9854,, and the pad # is T0301CLB, I come up with 69-72 402, how can I tell what year exactly is this engine? any help will be appreciated.
midsouthhotrods
02-09-2010, 10:16 AM
i looked the casting number up and it says it was a big block from 72.
BEAST477
02-09-2010, 03:17 PM
On the side of the block there will be a casting date.
Example C 24 0 . C third letter means 3rd month 24 day of the month 0 is the year 1970. Hope that helps.
CamBirdRacing
02-10-2010, 10:59 AM
http://www.mortec.com/bbc.htm