CHRIS, THINK I CAN RETRO THE CHEVELLE VENTS IN MY 68 CHEVY P.T. TRUCK?? THE CAB IS A '72 WITH THE SINGLE VENT AND I LIKE THE ACTUAL FUNCTION OF THE VENT ON MAKING THE DOORS EASIER TO SHUT !! LOOKS LIKE EASY CUT ON PASS SIDE AND I THINK DRIVERS SHOULD BE CLOSE TO ORIGINAL CUT!!! JIM
