Q: Disc Brake Conversion and Master Cylinder
I spoke with someone recently that added disc brakes to his 65 GTO. He did not change the master cylinder and the system still worked great. Said it would put you into the windshield without much effort. His has the single resevoir master cylinder running front and rear, same pressure front and rear. Is this alright?
A: My big concern here is that drum systems have a checkvalve in the master cylinder that maintains about 5-7-psi to keep the lips of the cups set in the wheel cylinders. In a disc system, this makes for a tiny bit of pressure that will cause wear and the resulting heat, not good thing!
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Content last modified: January 23, 2014 at 9:30 pm