Thanks its still in the block and will be there until I can possibly get to see it out. I was on the understanding that all 1970 and earlier were
forged? Were
forged cranks even used in pre 70’s motors sb or bb? I read this somewhere but can’t find the original article.
Can you see the crank flange? If you can, you can still see tha parting line on the edge of the flange. Wide parting line=forged, thin parting line=cast.
It could be either, as there was really no rhyme or reason sometimes. If it was a manual transmission truck engine, it was more likely forged, but I've even seen some of those cast, so the only way is to verify.
