patternguy,

From everything I've heard a 60 is just too big, not to say it's not worth a try, but it seems that the Jett 50 is the practical maximum.


emissions,

If I'm not mistaken they are high torque ball bearing servos so they should work fine. Servo choice gets into personal preference stuff, I'm a JR and Futaba guy but I'm sure Hitecs are fine. Power is important but so is lack of slop. When I first started out with the Jett 50 I ran FMA coreless high torque ball bearing servos. The specs looked good and they were cheap at fifty bucks apiece. Problem was after a while I started getting flutter, when I looked into it I found I could wiggle the servo arms back and forth about an eighth of an inch, even with the servos powered! The bearings and gears just wore out! I've since switched to JR 8101's with good success.