Originally Posted By markz528
I agree that something is wrong and its not the MC size.

In my 67 Coronet I have 76 Volare 2.75" calipers with 10 x 2 1/2 rear drums (don't know the wheel cylinder size). These are manual brakes.

I run the Doc Diff 15/16" master cylinder and my pedal is just fine. Does not have excessive pedal travel.


I use Dr Diff's as well

I just noticed I have sediment in the front reservoir...I have new hardlines and flex hoses. This thing must be busted inside. But my pedal doesn't sink at all?

1967 Dodge Coronet Deluxe station wagon

1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s