Date code questions

[ssl78]

1970 Chevelle Baltimore built LS5 built 02A
engine is a 2 bolt 512 J229 intake K209
trans is wrong P0B25A
rear end CCF1112B2 I would think this is not A LS5 rear end and seems pretty early for the car.
Any opinions if theese could be original. Nothing stamped on the deck

[Lee Stewart]

CCF1112B2 Rear Axle - 1970 Chevelle

CCF: 3.31:1 ~ 12-bolt Positraction (L34/402 & L48/350-4)

11 = November

12 = November 12th

B = Buffalo

2 = 2nd shift


P0B25A 4 speed manual trans

P=muncie
0=1970
B=Feb
25= 25th day
A= Wide Ratio-M20

Is there a VIN on the trans? It will tell which car it came from (Nova, Chevelle, Camaro etc)