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brake proportioning valve

General Tech Talk

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doe
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brake proportioning valve

Post by doe »

how important is a proportioning valve can i throw it over my shoulder or not
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Post by berad »

I wouldn't.

Why do you want to get rid of it.
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doe
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Post by doe »

because of lift im going for. it will be silly to have to make up some sort of spacer to get it back to factory specs
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Post by yamaha__308 »

If you're going to ditch it, replace it within an adjustable proportioning valve. Without one, you'll be locking the rear up a lot. You just need to remove the return line from the rear.

See here:

http://www.pirate4x4.com/forum/showthre ... ight=valve
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Post by Struth »

It's not real hard to make an extension bracket for it that lifts it the same amount as the suspension gets lifted.

Your braking system has been designed to use the prop' valve, why risk the possible consequences of having the system unbalanced for the sake of one simple extension bracket?

Cheers
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Post by berad »

What lift are you aiming for, and what do you hope to achieve with the said lift?
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Post by chimpboy »

Image Image yeah stuff it, it's only brakes how much could it really matter?
This is not legal advice.
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Post by 4RUNNER_01 »

To be honest you can get rid of it but its not the best idea the reason its connected to your diff is so when the weight shifts to the front it releases pressure to the rear of the 4wd so you dont lock up and if the rears squatting due to weight it can apply more pressure to help stop so even the adjustable ones dont work properly but each to their own.
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Post by beinthemud »

Chuck it daddy that would be funny
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doe
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Post by doe »

well my understanding is they put more brakeing too the front as more load is put in the back or am i wrong. as this will not be able to cary any wait with the springs iam useing i thought maybe i can get rid of it. i was just asking as iam not an expert on everything as sume poeple onb here are. thanks too the people that gave good advise
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Post by bogged »

chimpboy wrote:Image Image yeah stuff it, it's only brakes how much could it really matter?
:lol: :lol: :lol:



as said, what lift are you fitting that it would be stupid to make your brakes work?
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doe
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Post by doe »

5 inch
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Post by berad »

Just make it work, its not hard, its one pissant bracket and some adjustment.

Cutting corners never works out cheaper, trust me i was king of it haha.
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Post by 4RUNNER_01 »

how are you getting 5 inch's of lift cause most people over estimate their lift.

And just make up a bracket the same length you lift you chassis from your diff its a lot simpler than removing the whole thing!
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Post by Struth »

doe wrote:well my understanding is they put more brakeing too the front as more load is put in the back or am i wrong. as this will not be able to cary any wait with the springs iam useing i thought maybe i can get rid of it. i was just asking as iam not an expert on everything as sume poeple onb here are. thanks too the people that gave good advise
They apply more braking to the rear as more load is placed in the rear, or alternatively, they apply less braking to the rear when unloaded to avoid rear wheel lock up.

cheers
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Post by bogged »

doe wrote:5 inch
what is this going on ???

Theres 19210342309845r patrols out there with 4/5/6/7/8 in lifts with the appropriate brackets modded for brake proportining valves.
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doe
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Post by doe »

75 series 4 inch springs superiour drop shackels
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