Yo locked up,

You have a few options on those drive shafts. The ones that you linked will work. That is what I run on my truck. You have a few other options. I have been told that you can pull the yokes off the WK drive shafts and they will work with the Maxx drive shafts. I have not tried this though so can't promise anything. I bought maxx yokes with the drive shafts. Here is a link.

http://www3.towerhobbies.com/cgi-bin...&I=LXDDS6&P=ML

MAKE SURE YOU GET THOSE ONES AND NOT THE ONES FOR THE TRANSMISSION. The transmission yokes are 5mm and won't fit.

The reason for moving the servo on the axle is you eliminate linkages and get a more direct movement from your servo. This gives you a lot better steering.

When I first made my truck I stretched the stock steering link and left the servo on the chassis because I didn't like the look of the servo on the axle. You WILL need to upgrade servos if you want decent steering. I think I used 4-40 all thread and the stock rod ends to stretch it. Then I sleeved the all thread with aluminum.

Yes the stock ESC works fine with a 55t lathe. I'm running that setup in one of my trucks actually.