UMI Green Machine @ Ohio Muscle Car Challenge

[pontiacgp]

we used 3 lbs valves to keep the pads from backing off

 

[UMI Sales]

we used 3 lbs valves to keep the pads from backing off

I'm considering putting a residual in it but this problem is more weird than some pad knock back. The master cylinder actuator goes in half way then the brakes work perfectly. We are friends with Wilwood's lead tech guy. I'm going to send the m/c to him for evaluation.