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847 Posts
Discussion Starter #1
I have a totally stock brake system on my 67 Camaro. It has power front disc, with drums

in the back. It has the “hold off” valve under the original master cylinder & the

proportioning valve under the driver’s door.

When the car is going very slow, less than 5 or 10 mph, the front disc lock up really bad

while I’m stopping. Sometimes (often really) they even make the car come to a

SCREECHING halt, even though I lightly touch the brakes.

Can I adjust the large chrome bolt head to the right or left on the proportioning valve under the door in order to try to correct the problem?

Also: The front wheels won't free spin one full turn by hand with tires jacked up off the ground. :(

Premium Member
9,357 Posts
front brakes hoses might be swollen shut, elephantitis syndrome over the years or your front calipers might be bad or the sliders pins might be froze up?
a bunch of things you can try...
bleed the front brakes and see where you stand there..
pull the wheels off and check the condition of the slider pins..
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