Air Cleaner Clearance Tip Mar 6, 2015 When installing an open-element air cleaner, use a drop-base unit. This will allow for additional hood clearance, and it opens up the possibility of using a larger filter element. Watch out for distributor/plug wire clearance though. Share: ← PREVIOUS Installing A Transmission Cooler NEXT → C&R Camaro Radiators, An Awesome High Performance Upgrade! Related Posts Canned Air Detail Tip Carpet Fitting Tip HEI Distributor Tip