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LONGHAIR · 08-07-2004, 08:00 PM

There is definately a difference between disc and drum as far as the proportioning valve is concerned. The drum unit has a residual valve that maintains some pressure on the wheel cylinders. The disc does not need or want that pressure.

08-07-2004, 08:00 PM	#2
LONGHAIR just can't cover up my redneck Join Date: May 2004 Location: Columbus OH Posts: 11,414	There is definately a difference between disc and drum as far as the proportioning valve is concerned. The drum unit has a residual valve that maintains some pressure on the wheel cylinders. The disc does not need or want that pressure.