[JC455]

Boy do I have egg on my face! First off my apologies (sp?) to JNYEAGER- it seems he was correct on the metering valve's function. I was unaware of this because (as I stated...) 70's technology put the proportioning valve/distribution block/safety light/METERING VALVE into the combination valve. I was searching for some info on a different type of disc brake conversion and found the info on (and a cut-away of) the combination valve. As JNYEAGER stated, drum brakes don't require this because of obvious reasons. It's still a good idea to use the adj. prop valve. [img]/infopop/emoticons/icon_smile.gif[/img]



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John