What are the options I don't want to leave an open pipe under the bonnet I don't want to plumb what I have into a road draft pipe So guess it has to be a catch can but should I be considering closed loop or venting to air. What should I do with the rocker cover pipe, leave as is with the PVC valve piped to IM, or dispense with the PCV and route to the air cleaners like in the TR4, or run both pipes to a catch can. Should I even try  routing my crankcase breather pipe to the P