i must be completely missing something ?!?

RustyRatRod said

You should look at reinforcing the pinion snubber plate on the floor pan. I had a friend who had a 73 Cuda years ago and his pounded the floor pan until it tore a hole in it. He ended up making a cross member that went from frame rail to frame rail out of 1/4" steel to support a 1/4" steel snubber plate right above the snubber. It fixed the problem.

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Triple R !!!! where have you been? I've been missing you questioning my stupidity!!
I'll try that, it sounds like something I can do with my cheap Harbor Freight welder and a piece of metal. I think I like to try that sandwich in my leaf springs in front of the axel thing too? obviously I need work on my chassis setup. Through me some cheap tricks, I'm running out of budget this year. I've got to spend a bunch of money on a wedding marrying the gal that owns the 66 Barracuda in the garage. obviously she's a girl after my own heart!