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Old 11-17-2017, 09:18 PM   #7
Jason Banks
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Join Date: Dec 1999
Location: TX
Posts: 1,531
Re: Overly Touchy / Sensitive Power Brakes

Post pictures of your booster, master cylinder and prop valve.

I have a similar issue with my truck. It is because someone put a 3/4 ton booster and master cylinder on my 1/2 ton truck. I have all drum brakes and the bore on the master cylinder for the 3/4 is larger and the booster is more powerful.
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