Sceamingchief
If there is such a market for these 3.75 Pontiac journal cranks why don't you profit on it. Find some investors, pitch your sale , and sit back and let the money role in. If that doesn't work, morgage your house , tool up , and start forging them.
I'm guessing these companies making the cranks may know a little more than you and I both about the "market". However, If you follow one of my 2 ideas you will end up with the crank you want, not to mention broke and homeless.
Good luck
