How to improve tuning stability on a strat?

[Jim]

I combined the two aforementioned methods, and it worked stunningly well!

 

[jcsk8]

Most problems are on the nut. Properly cut nut will help a lot. Also lubrification in the saddles, nut, string trees and well instaled, streched strings on the post will help too.

 

[mudfinger]

Most problems are on the nut. Properly cut nut will help a lot. Also lubrification in the saddles, nut, string trees and well instaled, streched strings on the post will help too.

I disagree. Most problems with tuning stability on Stratocasters are the result of operator error.

 

[SexyGibson]

What is a good gauge to stay in tune?

If you use the trem alot I would at least use 11s. SRV used 13s but I seriously doubt that I could play with that heavy of a string gauge.

 

[Ledheadforlife]

 

[56GT]

a new graphite nut and properly stretched new strings is the answer. locking tuners help, but not necessary if you know how to string a guitar properly.