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I am curious, in real stamp pic, aren't broach marks going wrong direction?
Are there shops using surfacing machines that leave this pattern or was it done by hand?
My understanding is that GM's broaching machines weigh many tons... I doubt these 'replicators' have that sort of machine available to them, and if they did.. my question would be.. how much material do they 'broach' off to remove all traces of the original stamping, machining, etc..? I suspect they might fool *some people* with their approach... but not all..
I read recently that the vette guys are at least 10 years ahead of any other marque on being able to identify fake tags and stampings.
I have also heard that someone in OH has a REAL BROACH as big as a locomotive is how the guy I talked to put it.He was asking me about having a block done, I told him there is no way they are going to be able to get the broach to make the same tooling marks as originals... machines scraping metal away wear and the wearing will happen consistently, the broach marks from one month to the next will progressively change, approximating the change will be NEAR impossible given the number of legitimate broach photos on file with people who check and certify high end cars. Someday we are going to cut out all this nonsense... I read recently that the vette guys are at least 10 years ahead of any other marque on being able to identify fake tags and stampings.