Originally Posted by
Johnny Wishbone
If I remember correctly the ball end of your swing axle on a 416 is bigger than a Xray swing axle, so it won't fit in the drive cups as it is in stock configuration. I also don't think that there is a option for a larger drive cup with the NT1 gear diff. This could be a costly conversion, jmo.
I think it's the other way around - ie swingshaft ballend on 416 is smaller than than T3. This means the 416 shaft will float around inside the T3 drive cup slightly. That may or may not cause issues. Otherwise, you might need the T3 uni's as well. And they aren't exactly cheap...