I thought the same thing, the funny thing is that one day the brakes were real good and the next the pedal went to the floor. I'll jack it up again and see what I can do for tighter adjustment.

1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy