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**G&R's57GMC** · 06-19-2012, 06:08 PM

Reverse the lines, install an adjustable proportional valve in the rear line.

Does he have rear disc brakes ? If not you'll have to add a 10# residual valve in the rear line also.

06-19-2012, 06:08 PM	#6
G&R's57GMC Senior Member Join Date: Aug 2010 Location: Shasta Lake, CA. Posts: 1,624	Re: brake problem after booster/master install Reverse the lines, install an adjustable proportional valve in the rear line. Does he have rear disc brakes ? If not you'll have to add a 10# residual valve in the rear line also.