i bought my willys about 2 years ago and getting to it now. i'm doing the brakes. this car was a started project. does anyone know what master cyl. this is. the top caps look to be a large nut mounted in rubber. i want to fill the master to bleed it. where do i fill it? do i pry those large nuts out? all in-put welcome. JAN Oh yeah, i fired up the motor for break-in very healthy. '69 350 4 bolt, .030 over, alum. flat tops, comp. cam, 307 crank, heads all ported, triple angle valve job. with a th 350 and shift kit, 394 posi.