70 C20 Master Cylinder & Booster Replacement - The 1947 - Present Chevrolet & GMC Truck Message Board Network

CW4B · 10-06-2019, 05:29 PM

Original set up has a “Prod Distributor & Switch Ass” that didn’t come with the KORN772 drum/drum “Power Brake Conversion Kit” I purchased from Brotherstruck.com. Although configured a bit differently, Brothers calls that a Proportioning valve. I learned that the kit didn’t come with the proportioning valve because I selected drum/drum, which is what I’m running (original) Rub is current brake lines don’t terminate where they need to to fit new m/c without proportioning valve, but even with their proportioning valve, I believe I would need three brake lines instead of current two terminating at m/c. One for left front, one for right front, one for rear.

What should I do?

10-06-2019, 05:29 PM	#1
CW4B Registered User Join Date: May 2018 Location: San Antonio, TX Posts: 81	70 C20 Master Cylinder & Booster Replacement Original set up has a “Prod Distributor & Switch Ass” that didn’t come with the KORN772 drum/drum “Power Brake Conversion Kit” I purchased from Brotherstruck.com. Although configured a bit differently, Brothers calls that a Proportioning valve. I learned that the kit didn’t come with the proportioning valve because I selected drum/drum, which is what I’m running (original) Rub is current brake lines don’t terminate where they need to to fit new m/c without proportioning valve, but even with their proportioning valve, I believe I would need three brake lines instead of current two terminating at m/c. One for left front, one for right front, one for rear. What should I do? __________________ 70 Chevy C20 3/4T 8-400 Longhorn



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