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					Originally Posted by TomN  Making progress but have had 2 disc brake hold off valves that leaked out the back.  Third one is on the way. | 
	
 That seems to be the problem with some repop hold off valves. Had the same issue with one I bought. Had a 70 NOS style on my 69 Camaro, wanted the correct 69 style, installed and started to bleed the brakes. Of course, it leaked and didn't stop, so I reinstalled the 70 style back on with no issues. Nothing like the original parts.