There's are a few things you can check to see if they are preventing the trem from returning to pitch:
* Check to see if the bridge is rubbing against any part of the bridge route.
* Check to see if the locking nut is moving about when you use the trem bar, ideally it should not move at all once the string-locks have been tightened up.
* Check to see if the knife-edges of the bridge, and the notches in the pivot posts are worn, you can smear a small amount of Lip Ease in the notches of the pivot posts, this will help to lubricate the two pivot points.
If you're after a quality replacement for the bridge, you could check out the Schaller Lockmeister that Realtone Music sell, I've got one on a Hot Rod Strat that I built last year and it's a pretty good quality bit of hardware, and it's basically a drop-in replacement for the one you have installed on the guitar.
Reply With Quote