A year ago, I replaced the bridge on my friend's made in Japan Stratocaster.  He wanted to replace the locking bridge with a non-locking bridge.  The fact that the locking device at the top wasn't on the nut itself made that part easier.

However, the neck angle was difficult to negotiate.  On a locking trem, since the strings sit higher, the neck has to have a steeper angle.  With the new trem, that angle had to be decreased, so I had to add a "reverse shim", where the shim was in the neck pocket closer to the nut.

This solved the problem, and the action was very good after this, so I did a short clip to show that the guitar plays really well.

I have to admit that through I grew up playing a Strat, I haven't owned one for a really long time.  I couldn't resist doing an Yngwie lick on it!!