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12-24-2017, 04:15 PM
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#1 |
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made in america
Join Date: May 2010
Location: baton rouge la
Posts: 653
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cpp brake issue
so i did the swap to disc brakes on my 64. wanted to go a little lower and stop a little bit better. so i made the call to the cpp guys. they set me up with all the stuff to get it done. im finished now and for some reason my front brakes drag like crazy. ive bled all around there is definitely no air in the system. the master cylinder was bench bled. i dont know what to check next. can yall help?
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2005 gmc sierra- 4/6, t56, cammed 5.3. 4.10, big bars, and brakes. sounds good 1964 c10-283 powerpack, 3 on the tree  2004 corvette- lowered, borla, tuned. slow  my old girl 1966 c10- 305v8, t-5 sold |
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12-24-2017, 04:17 PM
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#2 |
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Registered User
Join Date: Jan 2015
Location: Tampa, Fl.
Posts: 426
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Re: cpp brake issue
Proprtioning valve? Drum disk master? Are the fronts hooked to the proper outlet?
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12-24-2017, 04:19 PM
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#3 |
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made in america
Join Date: May 2010
Location: baton rouge la
Posts: 653
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Re: cpp brake issue
its a non power disc drum master. everything seems to be properly hooked up. ill post a picture in a second
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2005 gmc sierra- 4/6, t56, cammed 5.3. 4.10, big bars, and brakes. sounds good 1964 c10-283 powerpack, 3 on the tree 2004 corvette- lowered, borla, tuned. slow my old girl 1966 c10- 305v8, t-5 sold |
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12-24-2017, 04:24 PM
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#4 |
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made in america
Join Date: May 2010
Location: baton rouge la
Posts: 653
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Re: cpp brake issue
__________________
2005 gmc sierra- 4/6, t56, cammed 5.3. 4.10, big bars, and brakes. sounds good 1964 c10-283 powerpack, 3 on the tree 2004 corvette- lowered, borla, tuned. slow my old girl 1966 c10- 305v8, t-5 sold |
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12-24-2017, 05:15 PM
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#5 |
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Registered User
Join Date: Sep 2017
Location: Rainier, WA
Posts: 152
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Re: cpp brake issue
CPP proportioning valve is a known POS, just wait a few weeks and it will start leaking too.
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12-24-2017, 10:02 PM
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#6 |
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Registered User
Join Date: Nov 2010
Location: Indiana, PA
Posts: 220
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Re: cpp brake issue
Based upon your description, I would also have to suspect the proportioning valve. I to had a CPP system it lasted about three months before the valve failed.
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12-25-2017, 12:08 PM
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#7 | |
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Registered User
Join Date: Dec 2013
Location: stony creek va
Posts: 238
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Re: cpp brake issue
Quote:
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12-25-2017, 01:39 PM
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#8 |
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Registered User
Join Date: Oct 2016
Location: san bernardino ca
Posts: 1,611
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Re: cpp brake issue
I must have got the good one. No problems here 6 months in.
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