try installing 2# residual pressure valve in front brake line for disc brake set up and 10# residual pressure valve in rear drum brake line.
These will eliminate excessive pedal travel. I have them installed in my set up & couldn't be happier with firm brakes and pedal travel.
Wilwood makes a wide assortment of small, lightweight master cylinders that are suitable for high performance street and racing applications and they are available in a variety of bore sizes. This page displays Proportioning Valves & Pressure Valves
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