I made a bad choice.....2s lipo plus locker in the rear of the wheely king. Popped some impressive wheelies for about 2 minutes, then would pop a wheely and jump to the right. Left wheel's hex stripped. Now it is being glued into place.
So, out goes the locker.
But 2s lipo is a nice upgrade! Much better top speed. The longer runtimes wont hurt either.