CW340P33740473 from drivers side below head - I believe a 70 block built in 71 ? - What will I be looking for if I pull heads and/or oil pan to determine if I have the 70 rotating assy ?
C- I suspect this is a G which denotes 1971? C would be 1967
W- Windsor engine plant
340- CID
P - Premium fuel
3374- 114 day of 1971 (April 24 1971 build date)
0473- was the 473rd engine built that date
