Here is another question that I was told was a potential problem using the drop base air filters. The distance from the Top of the Carburetor's Air Horn and Vent to the Bottom of the Air Cleaner Lid is Crucial. If the distance is TOO Little then the Carburetor will Starve for Air and make the Air/Fuel Mixture go Rich at Wide Open Throttle. Does anyone have this problem and also does anyone use a drop base type filter that can breath through the top like this http://www.summitracing.com/parts/edl-43661 and if so can you please post a pic of it in the car? Thanks.