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Old 06-25-2014, 08:38 PM
NAPA 68 NAPA 68 is offline
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Default Master Cylinder Question

After bench bleeding a 1 1/8" bore C3 master cylinder (shallow piston), I noticed the rears come in a fair amount after the front. I currently have the same master on my car (59 Bel Air) and I am getting very little volume and pressure to the rears. I have an adjustable Wilwood proportioning valve on the system and have it opened up all of the way (the car is 4 wheel disc).

While this may sound like an elementary question, is there a M/C that is evenly proportioned through the piston stroke so the valve can do it's job?

In advance, thanks for the consideration.

Tim
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