So if putting a disc explorer diff in, how would you figure out what master cylinder would work with factory front disc/ explorer rear disc? Would 2# RV on rear be adequate to hold pads to rotor without causing excess drag? Thanks for all the info, greatly appreciated.

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Wilwood two pound residual pressure valves retain a minimum brake line pressure to help eliminate excessive pedal travel in both disc and drum brake systems. The two pound valve is used in disc brake applications where the master cylinder is mounted below the horizontal plane of the calipers and fluid drain back occurs from gravity and vibration, thereby causing excessive caliper piston retraction and a longer brake pedal stroke. The minimal two pound residual pressure prevents fluid from flowing back without causing the brakes to drag.

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