Re: Master Cylinder
Jim, until someone who has actually swapped a single for a dual, here is a post. It may at least help with the plumbing issue and may give a part number to check out. It says 67-70 Impala. Also check 67 truck dual master, drum/drum.
It's all about the reservoir mounting hole spacing and rod lengths (the intermediate rod)....and of course the plumbing.
As you know there are many complete kits available for about $350. If you read up on all of them, they may give clues to what they are using.
All info I found is for Chevy, don't know if GMC is same in that area. Probably is.
Last edited by AZKen; August 4th, 2015 at 11:38 PM.
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