[GMCnet] P30 or Stock master brake cylinder [message #337960] |
Wed, 17 October 2018 20:04  |
BobDunahugh
 Messages: 2465 Registered: October 2010 Location: Cedar Rapids, IA
Karma: 11
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Senior Member |
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I just installed 80 MM calipers at the front. Have had 74 MM at the middle for 2 years. With stock drums at the rear. Worked well. Now with my change to 80MM at the front. Some say that the stock master cylinder is fine. Others say that the P30 is needed. I still have the P30, and bracket from the burned 78 Royale. Bob Dunahugh 78 Royale
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Re: [GMCnet] P30 or Stock master brake cylinder [message #337979 is a reply to message #337960] |
Thu, 18 October 2018 10:04   |
Chris Tyler
 Messages: 458 Registered: September 2013 Location: Odessa FL
Karma: 7
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What is the function of the rear slave? To assist the rear drums?
Are there pics of the setup?
[edit] or upon re-reading, that is the normal brake cyl?
I have stock [AFAIK] fromt disc and leading discs at the rear with a P30 MC that seems to be bypassing. I would prefer to have a stock type MC for access reasons, but was tod the p30 was needed
So I have pretty much the same question.If there is a stck type master that will work adaqutly Id prefer to go with that
76 Glenbrook
[Updated on: Thu, 18 October 2018 10:08] Report message to a moderator
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