No big deal. You are certainly not even the first person. There was a lot not commonly known about M-codes up until 20-25 years ago.
Some of this stuff takes you down a path and makes unexpected turns. And I’ve seen magazine articles from day one then all the way to late 80’s perpetuating misinformation. That doesn’t help the situation.
it’s a learning experience and we are all still learning
And I’ve talked to old technicians that said they replaced 8 3/4’s with Dana’s for warranty on E and B bodies. Might have been after a repeated repair/offender.
