"original trs's suck. they have the old screw in bars, not the pop in collared arms like the lo-trs2. this makes for crappy flutters."
Apparently this is from someone who's never tried to do actual flutters on a TRS-2. No offense really, but the TRS-2 is one of the worst trems to do flutters on. Why they put this one a JS
-100 is beyond me, considering Joe loves to do heavy whammy work.
Those so called "collars" are more of a drawback since they tend to get loose after three flutters. Mind you were not talking divebombs here, but real flutters, up and down motions.
I'm a JS
-100 owner too, and I know for a fact that the TRS-II is a lemon. The metal is too soft, and so it doesn't really stay in tune well, those collar things are a pain in the posterior. No comparision whatsoever to a Lo Pro Edge. I have one of those in my RG-550, and that one stays in tune no matter what I throw at it, and my RG is a '92 Fujigen Factory made one, its old!
Things you can do to improve it though:
1. Have it professionally setup. Before I did this, any use on the trem would send me out of tune. now I only get out of tune if I really use the bar heavily.
2. You can use the nail polish trick. I forgot where I saw that one,but its supposedly very efficient at fixing the problem with the collar getting unscrewed easily.
3. Replace with an Original Floyd or Schaller. You know what to do.
4. Block it. Hey, sometimes no Floyd is better than a bad Floyd.
The TRS-II is real a pretty good trem, its certainly better than those cheap Floy Rose "licensed" ones you see on ebay. The only real problems I've had with them are with flutters, and I've since given up on those. After you get it professionally setup, they'll stay remarkably in tune, even after divebombs and such. You might need to adjust a couple fine tuners every so often. Make sure you stretch your strings often.
Good luck! Those JS
-100s are pretty great guitars, they just don't come great out of the box, like the 1000s.