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1949gmc · 11-12-2009, 02:56 PM

I still don't think that the 50/50 mc is correct, unless your truck has drum/drum or disc/disc... holds true for any vehicle. For disc/drum, you'd have to use the 70/30 mc. Now, did Blazers come with drum brakes on the front in '72? If they did, did yours have drums that someone converted to disc w/o changing the mc? Or did someone absent-mindedly just put the wrong mc on?

11-12-2009, 02:56 PM	#5
1949gmc Registered User Join Date: Nov 2004 Location: Lindenhurst, IL Posts: 659	Re: are my front/rear brake lines crossed? I still don't think that the 50/50 mc is correct, unless your truck has drum/drum or disc/disc... holds true for any vehicle. For disc/drum, you'd have to use the 70/30 mc. Now, did Blazers come with drum brakes on the front in '72? If they did, did yours have drums that someone converted to disc w/o changing the mc? Or did someone absent-mindedly just put the wrong mc on?