Rear disc brake question
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Postmaster
Joined: Nov 2009
Posts: 3,189
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From: SE Georgia
Rear disc brake question
Ive got rear disc brakes and had an adjustable proportioning valve near the hydroboost.
i tore out the guts of my stock proportioning valve on the frame...but I am having a leak near the switch on top of it and the bottom bolt.
Do i just need a distribution block?
i tore out the guts of my stock proportioning valve on the frame...but I am having a leak near the switch on top of it and the bottom bolt.
Do i just need a distribution block?
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
Ya still need a prop valve. See, a light rear end and equalized brake pressure may mean it'll swap ends on ya... ya want to adjust the proportion so the fronts lock up just before the rears.... with a typical load if any.
Thread Starter
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Postmaster
Joined: Nov 2009
Posts: 3,189
Likes: 0
From: SE Georgia
I have an adjustable proportioning valve on the rear brake line near the hydroboost.
think i need to find a disc disc proportioning valve and put on the frame where the stock is?
think i need to find a disc disc proportioning valve and put on the frame where the stock is?
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
A prop valve only controls the bias to the rear brakes.
The MC only has two ports, front and rear. The front can be teed to each front wheel. The rear port of the MC leads to the prop valve (in its simplest form) which has an in and out. Then the rear is split at the rear axle.
What prop valve are you using???
I'm using a Wilwood that has two output ports for the front and one for the rear.
The MC only has two ports, front and rear. The front can be teed to each front wheel. The rear port of the MC leads to the prop valve (in its simplest form) which has an in and out. Then the rear is split at the rear axle.
What prop valve are you using???
I'm using a Wilwood that has two output ports for the front and one for the rear.
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Thread Starter
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Postmaster
Joined: Nov 2009
Posts: 3,189
Likes: 0
From: SE Georgia
A prop valve only controls the bias to the rear brakes.
The MC only has two ports, front and rear. The front can be teed to each front wheel. The rear port of the MC leads to the prop valve (in its simplest form) which has an in and out. Then the rear is split at the rear axle.
What prop valve are you using???
I'm using a Wilwood that has two output ports for the front and one for the rear.
The MC only has two ports, front and rear. The front can be teed to each front wheel. The rear port of the MC leads to the prop valve (in its simplest form) which has an in and out. Then the rear is split at the rear axle.
What prop valve are you using???
I'm using a Wilwood that has two output ports for the front and one for the rear.
https://lmr.com/item/M2328C/Mustang-Ford-Racing-Adjustable-Brake-Proportioning-Valve?gclid=COOOpLPC59ICFVQ8gQodAJYF0A
And then the stock proportioning on the frame
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