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Old 11-06-2018, 12:41 AM   #345
oldman3
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Join Date: Mar 2011
Location: West Plains, Missouri
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Re: Brother's keeper - '58 Stepside build

Quote:
Originally Posted by Black_Sheep View Post
Jim I'm using GM D52 calipers (75 Nova) and a 70's GM power disc brake master cylinder 1.125 bore. The booster is a dual diaphragm 7", manufacturer unknown. Rear brakes are Mopar 10" drums. The pedal is rock hard but it requires more effort than I'd like.
Quote:
Originally Posted by Black_Sheep View Post
I used Baer "Sport" pads on the fronts
Quote:
Originally Posted by Black_Sheep View Post
According to this tech article the pedal ratio for power brakes should be 5:1, I'm going to have to take some measurements to calculate if it's correct or not.
Mark, sounds like you got all the right stuff. Sport pads should be OK. Another way to check the booster is: With engine off, put foot on the pedal and push down, then start the engine, if booster is working the pedal should drop down about 1/2". I'll see if I can come up with anything else...Jim
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