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83swb · 01-13-2015, 10:12 PM

Found a possible issue tonight. Somehow (dumbass me) didn't realize that I had the lines switch from the master cylinder to the valve, had the front reservoir feeding the back and back feeding the front brakes. BUT the bigger issue was the way the valve itself was machined. The valve is machined for a 3/16" line for the rear inlet (should be 1/4) and the front half is machined for a 1/4" (should be 3/16").
So this valve is getting sent back to summit and I have a line on a factory valve to put in its place.
So beware if buying a CPP combination valve for your truck, may have been mishap in the machining process.

01-13-2015, 10:12 PM	#13
83swb Registered User Join Date: Sep 2012 Location: CT Posts: 133	Re: Proportioning valve issues. Found a possible issue tonight. Somehow (dumbass me) didn't realize that I had the lines switch from the master cylinder to the valve, had the front reservoir feeding the back and back feeding the front brakes. BUT the bigger issue was the way the valve itself was machined. The valve is machined for a 3/16" line for the rear inlet (should be 1/4) and the front half is machined for a 1/4" (should be 3/16"). So this valve is getting sent back to summit and I have a line on a factory valve to put in its place. So beware if buying a CPP combination valve for your truck, may have been mishap in the machining process.