Reply to "Mastervac and brake issue."

panteradougMember

With 1,000 psi in the front calipers I wouldn't be surprised if the calipers do flex?

Had anyone suspected that to begin with, then the most accurate procedure would be to start with a completely stock system. Putting digital calipers on the outside of the brake calipers and test with and without pedal pressure will confirm that they are flexing or not?

I'm using a different set up then you are but I have 700 psi in front and 500 in the rear with the adjustable proportioning valve wide open.

500 is way too much and I have the rears dialed down to 100 psi. Down from 180. The answer in the rear is likely going to be between 100 and 180 I think? It could go as low in the rear as 80 possibly? They are both 4 piston calipers. Iron and big pads.

The car almost doesn't even need brakes in the rear.

Every one of these systems is going to be different. That's why unless someone has a lot of time and experience, it's better to get a complete system with all the details already worked out?

4/5/245:26 PM

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