Oil in the separator sounds normal, especially if you threw several redline runs in the mix. As for oil usage, it seems everyone of these voodoo engines are different in that regard. Ford says usage of up to 1 qt per every 500 miles is normal. Not sure it should be using that much under normal driving conditions, but can see it happening if you thrash on it hard, especially if you don't bring the motor up to proper operating temps first.