As my luck would have it, I was unable to move the proportioning valve. After I removed the brake warning switch, the very small hole where the end of the switch goes into just isn't big enough to get any type of leverage with the smallest sharp, pointed object I could find. If I could have possibly got the point into the hollowed out area I might could have manually moved it. However, the valve has moved all the way to the rear, therefore, all the point hits is flat metal. Even tried the shop manual's instructions to loosen the the outlet port to the front brakes to release the pressure, pump the brakes, and supposedly the sole pressure from the rear would move it back. However, it didn't budge that way either. Not sure what to do now except find another proportioning valve (I've been calling it the brake fluid distribution box from the catalogs) but nobody sells one for a 68 with standard drum brakes. Is it possible to remove this thing, take it apart, and some other way get it moved back to the center position?
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