the JR 3650 is the best of the best when it comes to 12th servos. Besides its speed and strength, it is smaller than most of the others and is super dependable. i have 1 that i've had since they first came out and it's still going strong after years of use.

This year, i have been testing the Spektrum A5030 and A5040. They are listed as airplane servos, but they work great in 12th scale. I have been running the A5030 (plastic gear version) in my 12th car weekly for over a month now and it works awesome. no failures, no issues returning to center. It's light, fast, inexpensive, and so far has been perfectly dependable.

The A5040 is the metal gear version and i haven't got as much time on this one yet, but it is in a WGT car, so it is getting a harder test than the one in the 12th car. I hope to get more time on this one soon and see how well it does in the bigger, heavier car.

John