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BUICK RIVIERA PROPORTIONING VALVE
Q: I am trying to find a proportioning-valve kit for a 1968 Buick Riviera equipped with four-wheel drum brakes. This application requires a side mount. I do not have a GM part number for this part. The engine is a 430-cu.in. V-8. I found a front disc/rear drum proportioning valve kit from OPGI, but it will not work on a four-drum system.
PETE STEWART
VIA EMAIL
A: The brake system in a 1968 Riviera with drum brakes would not use
