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Old 10-29-2013, 09:50 PM
Grand73Am Grand73Am is offline
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Join Date: Feb 2004
Location: Lawrenceville, GA
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The factory setup does include the dual diaphragm booster. It has a smaller diameter, but it's longer, front to back, like fatter that way, so not really "smaller".
Prop valve is different too. And you'd need a master cylinder for rear discs.

This may be something else you'd have to do for the factory conversion. Supposedly the pushrod pin on the brake pedal is in a different location on a pedal for rear discs. Someone posted this pic a few years ago showing where to move the position of the pin to:


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