Master Cylinder? Update!
#1615953
05/04/14 07:27 PM
05/04/14 07:27 PM
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Joined: May 2004
Posts: 12,397 Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
I Live Here
Joined: May 2004
Posts: 12,397
Taxes & Virus's R-US, NY
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Put Wilwoods on all four corners, now the brakes stick....What the heck can cause it....I am thinking the master cylinder had the seal baked out of it due to fender well headers, but with only a week and a half to go, I need consultation....
Last edited by Dragula; 05/09/14 08:33 PM.
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Re: Master Cylinder?
[Re: Quicktree]
#1615959
05/04/14 10:35 PM
05/04/14 10:35 PM
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Joined: May 2004
Posts: 12,397 Taxes & Virus's R-US, NY
Dragula
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OP
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Taxes & Virus's R-US, NY
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Quote:
did you remove all the old plumbing the prop valve etc? you need to get rid of all that and run a new style 15/16 master cyl
Prop valve is gone, one new AN03 line on each corner and the two off the master cylinder and the flex line to the rear axle
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Re: Master Cylinder?
[Re: Dragula]
#1615962
05/04/14 11:57 PM
05/04/14 11:57 PM
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Joined: Feb 2003
Posts: 1,103 Massillon, Ohio
cudatom
super stock
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super stock
Joined: Feb 2003
Posts: 1,103
Massillon, Ohio
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Dragula when I put Wilwoods on my Cuda in the late 80's I had the same problem. If you are using the stock MC there is a small pressure valve(that keeps a small amount of pressure on at all times for the drum brakes) that can be removed from the MC. I used a small screw put it into the seat(where the line for the rear brakes entered to MC)and wiggled the seat out. I removed the valve and bingo no more drag. I've had this set up since 1988. If you have an aftermarket MC not sure if this will help. Wasn't sure which MC you were using.
Ok
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Re: Master Cylinder?
[Re: Quicktree]
#1615963
05/05/14 07:43 AM
05/05/14 07:43 AM
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Joined: May 2004
Posts: 12,397 Taxes & Virus's R-US, NY
Dragula
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OP
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Taxes & Virus's R-US, NY
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Quote:
one other thing to check is the black flex line on the rear especially if it is stock, they will fail inside not letting pressure release
Replaced that with AN03...
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Re: Master Cylinder?
[Re: Quicktree]
#1615965
05/05/14 08:49 AM
05/05/14 08:49 AM
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Joined: May 2004
Posts: 12,397 Taxes & Virus's R-US, NY
Dragula
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I Live Here
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OP
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Joined: May 2004
Posts: 12,397
Taxes & Virus's R-US, NY
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Quote:
nothing left but the master cyl, take the lines off and see if it releases.
Ordered a new one along with the adjustable brake rod...I just don't get it though..
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Re: Master Cylinder?
[Re: Dragula]
#1615966
05/05/14 12:28 PM
05/05/14 12:28 PM
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Joined: Jan 2003
Posts: 32,394
Quicktree
I Win
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I Win
Joined: Jan 2003
Posts: 32,394
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Quote:
Quote:
nothing left but the master cyl, take the lines off and see if it releases.
Ordered a new one along with the adjustable brake rod...I just don't get it though..
like cudatom said there is valve for drum brakes in those master cly. either that or you lean so far to the right that it keeps pressure on the brakes
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Re: Master Cylinder?
[Re: Dragula]
#1615971
05/06/14 11:30 PM
05/06/14 11:30 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
What if there was old DOT fluid still in one of the lines when I put in the Wilwood fluid?
If its not OLD(ancient) ... run it... or bleed that line more
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