I finally got my kit last night in the mail, at 7:30pm! I put my kids to sleep and went to work!
As i am building it, i am following tips i read on here, and also finding more things to suggest.
So far, i am disappointed with the ball cups, there is a lot of slack in there, they will be swapped for RPM units.
I put 2mm spacers in the rear hubs so when i bolt the wheel it won't squeeze the bearings and warp the hub. Also in the front, i put a 0.2mm shim that rests on the bearing race between the pin and bearing to remove the play in the CVD/universal.
Also for my spur gear, i filed down the screws so i can fit thicker units, there is now a little gap in between the pulley and screws, box stock it was actually touching and making it wobble.
I also rebuilt my rear diff, and i put lithium grease on the 2 o-rings to help seal the unit.