If you were having troubles with the caps popping off. You could have saved some money and just ordered big bore caps. They fit on the stock shocks and that would end your popping caps. BB Caps
The Big Bores come with ball ends pre-installed on the shock ends, where the VXL has them on the screw. Just remove the ball end from the screw. or swap the shock ends.
About half way down for the shock oil