072 Switches-- What kind are the absolute BEST ??

One word....ROSS!!

Best there is and he makes an 0-72 that has the same footprint as what you have now.

In particular, the RossPlate Traditional switch line has rail that matches perfectly with Lionel postwar O-gauge track. 

Ross is the absolute best. That is why I use them and nothing else!

Ken,

Although there are a few threads than relate this question, I'll try to save you the time of searching. First, Lionel didn't produce O72 switches in the post war period of 1945 thru 1969  

The switches you're using are modern Lionel O72 switches, however, there are different versions of them. Those produced in the 1980's through Lionel's manufacturing departure to China are pretty good and do not have the issues you describe. Those issues are usually associated with the China production group. 

The 711 switches are from the Lionel prewar era and are the best of the bunch. If memory serves me, there are two versions, the early version did not have the non-derailing and constant voltage features, the later version did. Since the base is cast metal they do occasionally warp and once warped and depending on the amount of warping the switch motor contacts may not make contact and the switch may not function. When you think of it, the cost of a functioning and restored pair of them is about the same as a pair of new modern O72 switches. 

Hope this helps and I'm sure if I've left something out or am not correct someone will chime in. 

The only other O72 switch I'm familiar with are K-line and they are a reliable switch without the issues of the China Lionel. But the rollers of some engines will drop into the space between the center rail on the "frog" section and the center rail when backing into the diverging route.  

Altnough I have no experience with Ross, I hear nothing but good things about them.

Mike

ROSS. Nuff said.

Ross makes a very fine switch, however not every train item will work with any given switch, there are glitches here and there no matter what. Ross is very knowledgeable about switches and all of their products. They also offer excellent customer service. The owner sometimes even answers the phone. I would call them and ask about the equipment you have, the problems you are having and see what they recommend. I am sure they will be able to help you and recommend something for your specific situation and you would get the proper items for your application.

Ross 

I would say to go to the Ross Custom switches website and see what they have in 072 switches. I am using Ross Custom switches in 042 and so far like them the best. You may pay more but you are getting a quality switch.

Gargraves switches tend to physically wear out after 7 years or more.

Some of the current Lionel switches(from 1995) I have bought have been disasters!! The 6-23010 series have totally acted up on me. 

Have no knowledge of the Fastrack switches other then they are made by Lionel, I never used one with any of my trains.

Lee Fritz

ROss!  Have had 32 on my layout for twenty years.  The Best!!.  Any questions or concerns. just call Owner Steve and he will take good care of you.  A class act in every respect.

We use ROSS switches at NJ Hirailers Club. They have endured plenty hard use with minimal failures.