How fast are you going when it takes 50' to stop? You really don't want your brakes to "LOCKUP". If you are connected to the back of the carb you have full vacuum and moving it to the untake really won't change much. I would start at the basics and check all your pads and shoes. What changed on your truck? Or did it just start not working? Was the master cyclinder changed for the same problem?
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72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper
72 bug(the better half's) under reconstruction
2009 HHR aqua blue
71 GMC k20 350/sm465
2009 Chevy hd3500 6.6 Victory Red crew cab dually
Dave & Jeanne
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