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Old 10-24-2021, 01:58 AM   #11
RustyPile
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Location: Elkhart, Texas
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Re: New Brakes, It would be nice if they worked, 67 GMC. Solved

Quote:
Originally Posted by buds56 View Post
Today I pulled the brake pedal and drilled another hole 1-1/8" lower.

That did it, now the tires lock up.

I assumed the linkage on the back of the booster would compensate or correct the difference in ratio needed, but apparently it didn't in my case.

Thanks for the help, Bud
Not sure why you had to drill another hole.. Maybe because of the year of your truck.. I didn't have to drill a hole when about 3 years ago, I converted my '71 to power brakes.. In the process I replaced all calipers, wheel cylinders, pads, shoes, drums, rotors, hoses and steel lines.. I installed the same booster, master cylinder you did.. It took a while to get everything bled, but my brakes will put you through the windshield in a panic stop..
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