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Old 08-19-2012, 08:32 PM
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2 or 4 port master cylinder?

Hey everyone,

I have a 58 chevy PU with a volare front clip. So its disc/drum with the MC/ booster mounted under the floor. I have been having some problems with the brakes so I bought a complete booster/MC/petal kit.

The problem is the MC thats on the truck is a 2 port and the one with the kit is a 4 port. So my question is can I just block off the 2 unused ports? Should I buy a 2 Port MC or should the brakes be re plumbed for a 4 port MC?

Thanks for any advice I probably know less about brakes than I do any other part of an automobile.

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Old 08-19-2012, 10:55 PM
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If by 4 port you mean 2 on one side and 2 on the other just plug off the side you don't use. Use a proportinal valve with 2# front and 10# residual check valves.
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