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... I must say I have never seen a group that is so suspicious. They think everyone that ask a question about a broadcast sheet or fender tag is up doing something shady ...



You nailed it. Although some here have accumulated fairly authoritative knowledge on this subject, the prevailing Moparts culture strongly discourages them from sharing it publicly. In their defense, they actually believe they are doing the hobby a favor by acting as self-appointed policemen, and to some degree they probably are.

But more than one thing can be true at the same time. In America, we aren't generally proactive in stopping crime -- that's what thought police do. It's like paraphrasing the popular saying, "Fender tags don't kill people, knowledge kills people." Also true -- and perhaps lying more at the root of the secrecy -- is that those who won't freely share their knowledge are in reality also meeting their own human psychological needs for power and control of others. For them, it's a win-win situation -- those who seek the secret knowledge for innocent purposes are merely collateral damage in the war against fraud and deception before it even occurs.

Your best bet is to seek this information from other sources...