...and the original fold down spurs were toast. I had some new-ish generic fold down spurs that nearly fit the original holes... wobbling two holes out slightly fixed that....
Fish,
When you called for the drilling advice and the tom arm, you should have told me about the spurs. I'm 99% sure I have a pair of the round-knob kind as well as the later 70s wing-nut variety... but, if you already had these (look like new Gibraltar?) it kept you from spending more...
Just thinking out-loud again...
Bill