I don't have to pump mine at all, you saw the load of hay on her, without the hydrovac in the system I had no problem with brakes. I had to back one rear off just a little as it was warmer then the rest but no grabbing, no fade, no pumping.


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