Flgaurban06

Going to pick up a 67 convertible tomorrow with a doner cutlass conv, almost sight unseen except a few pictures and a G on the block!! Could not pass it up.............will post pics this weekend!!

oldcutlass

well done

Flgaurban06

not the smartest move but i know its a real 442 conv so............

Octania

G block is the long stroke 400, bummer.

G heads?

Flgaurban06

I think that is what i mean or what i was told, G heads...........what did I buy guys? Guy said it came from a 72 hurst olds? Not a clue.............

Oldsmaniac

A 455 would have G heads in 1971.

Flgaurban06

well..........is that a good thing then?

Oldsmaniac

That depends on what you are happy with? Heads get swapped so it does not for sure mean the engine is a 71 455. It could be newer or older or a 400 or 425 or even a small block. You need to see if there is an F on the block where water pump mounts and that will determine if it is a 455. 1971 was the 1st year for lower compression pistons and hardened valve seats. Still a nice engine for a street car.

allyolds68

72 H/O had GA heads

67442nut

I'm not a 455 expert, but, I think all 455's had "F" or "Fa" blocks.
Early 455's were "F" and later were"Fa".
If you ARE talking about a "G" block, correct '67 block should be an "E" block.
Although "G" block is not correct for '67, it still has value to the '68-'69 guys.
You might be able to work a trade with someone for an "E" block.