fwi
Well-Known Member
Hello all,
I just bought a 63 Polara with a 69 RB 426.
The block casting# is 2658836, which according to the info I have is the 426 "industrial" model.
What I would like to know is how this particular version differs from other 426 castings ???
I just bought a 63 Polara with a 69 RB 426.
The block casting# is 2658836, which according to the info I have is the 426 "industrial" model.
What I would like to know is how this particular version differs from other 426 castings ???