This is more of a Camaro question than a Corvette question but I'm trying to help my brother out and since I'm more "Corvette" than "Camaro" I thought I first ask for advice here.
Here's the deal. He has a mostly original 67 SS/RS Camaro documented from GM of Canada but the original engine is long gone(still has the original M-20 and 12 bolt though). The engine in it now is a strong 66 327 (C-12-6) but he would like to replace it with a correct looking one. I'd say that's his only option because finding THE original one is probably just a pipe dream at best.
So this is what I suggested we do, find a date correct 3892657 block, deck it and possibly restamp it but for sure build it as a 350. I don't know much about mixing and matching sb parts but the way I understand it, all of these 67 only blocks were small journal except for the 350. Is that true?
If so is it even practical to align bore the mains to the larger 350 journal size and try and put a 350 crank into this casting 327? Someone also mentioned something about minor clearance issues with the longer stroke as well as something about the rear oil seal slinger???
If anyone has ever put a 350 crank into a 67 327 I'd appreciate any advice on what has to be done or even if it's worth it. FWI I guess the 68 and later 327's have the larger journals so the crank will just slip in so I really only need to know about getting the 350 crank to work in the 67 only, 3892657 block.
Another option I guess would be to just build a correctly dated 657 block and leave it as a 327.....
Any thoughts are appreciated!

Here's the deal. He has a mostly original 67 SS/RS Camaro documented from GM of Canada but the original engine is long gone(still has the original M-20 and 12 bolt though). The engine in it now is a strong 66 327 (C-12-6) but he would like to replace it with a correct looking one. I'd say that's his only option because finding THE original one is probably just a pipe dream at best.
So this is what I suggested we do, find a date correct 3892657 block, deck it and possibly restamp it but for sure build it as a 350. I don't know much about mixing and matching sb parts but the way I understand it, all of these 67 only blocks were small journal except for the 350. Is that true?
If so is it even practical to align bore the mains to the larger 350 journal size and try and put a 350 crank into this casting 327? Someone also mentioned something about minor clearance issues with the longer stroke as well as something about the rear oil seal slinger???
If anyone has ever put a 350 crank into a 67 327 I'd appreciate any advice on what has to be done or even if it's worth it. FWI I guess the 68 and later 327's have the larger journals so the crank will just slip in so I really only need to know about getting the 350 crank to work in the 67 only, 3892657 block.
Another option I guess would be to just build a correctly dated 657 block and leave it as a 327.....
Any thoughts are appreciated!

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