i am working on a 1939 ford pickup street rod with 4 wheel disc brakes it has a corvette master cyl. no power booster and the perportion valve is located down on the frame rail. the problem is that the brake pedal is very hard to press to make the truck stop.you have to use both feet to do any good. can you give me some things i can do to help. there is no room for a power booster. thanks dennis myhhr@comcast.net
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