[Chevelle-list] 12 Bolt Posi Rear

[Jim Sullivan]

Can anyone tell me what this 12 bolt is out of and will it fit in my 69 
Chevelle??  The mountings are a little different, but measure up pretty 
close to my 10 bolt.

It's 3.30 gears.
Posi Unit    EO -  30140PMI
Tube Stamped   C00118B
                                 E
Case castings     GM1           3875745N
                                               L306   Looks like?
As always, any help greatly appreciated.
Jim