Quote Originally Posted by jerry clayton View Post
try this thought----a single master cylinder / not late model duels----

a porportioning valve will cut down the total braking from that one very limited source by reducing the force to the rear

Changing the wheel cylinders is cheap, effective and leaves the total brake effort available---if after altering the rear DOWN by 1/8 inch , he wants more front, he can increase fronts by 1/8 inch--probably cheaper than buying a por valve that has 3 possible leak points

Yup Jerry, easy and it works.

We had the same problem (but on the opposite end locking up) on our drag race VW which has small front and big rear tires. It's been stopping from 120 mph with drum brakes just fine for the past ten years after the wheel cylinder size change.