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Brake Tech. Aftermarket prop valve Q?
http://auszookers.com/forum/viewtopic.php?f=5&t=36181		 Page 1 of 1
Author:  BlueSuzy [ Sun Oct 07, 2012 9:49 am ]
Post subject:  Brake Tech. Aftermarket prop valve Q?
With my braking system. I have upgraded everything to make the brakes good and engineerable.

Now im thinking i will need another prob valve to suit the disc rear. I just don't know where to put it exactly :?

A B or C Position? Anyone have an idea? :?

Picture shows what i am using.
Image

Thanks for any help :wink:
Author:  sideways [ Sun Oct 07, 2012 9:52 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Aren't prop valves un-engineerable?
Author:  BlueSuzy [ Sun Oct 07, 2012 9:59 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
sideways wrote:
Aren't prop valves un-engineerable?


I know some engineered. Have to be boxed/hidden or not in easily adjustable reach.



*I'm also running coilovers*

Might even have to find a self load adjusting one yet. Havent spoken to engineer recently.
Author:  atari4x4 [ Sun Oct 07, 2012 10:11 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
BlueSuzy wrote:
sideways wrote:
Aren't prop valves un-engineerable?


I know some engineered. Have to be boxed/hidden or not in easily adjustable reach.



+1
Author:  Zook_Fan [ Sun Oct 07, 2012 10:40 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
It has to go on line "C". Aftermarket prop valves just limit the flow through the line, if you put it on either line before the sierra prop valve it will mess with how that valve works.

Would make positioning of it a lot easier to because it can be anywhere along the chassis rail.
Author:  BlueSuzy [ Sun Oct 07, 2012 10:49 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
I was thinking C also.

Its a spidertrax type. But on they recomend put it up near the booster somewhere. (cant remember exact) They may have a slightly different braking system in the USA

My lines are all custom, But will work it out up the bum somewhere.

The original prop valve you can see just behind the transfer on the left, But my rear final line goes all the way up the back, and drops infront of the tank for the hose/bracket. Will work it out there somewhere. Bit of room to play.
Image
Author:  sideways [ Sun Oct 07, 2012 10:53 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
atari4x4 wrote:
BlueSuzy wrote:
sideways wrote:
Aren't prop valves un-engineerable?


I know some engineered. Have to be boxed/hidden or not in easily adjustable reach.



+1


I'l go back to my box then. :oops:
Author:  BlueSuzy [ Sun Oct 07, 2012 11:31 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Looks like the US use a different system. so wont be copying them

Image
Author:  DarkHorse [ Sun Oct 07, 2012 2:43 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Is that pic a stock one? My guess would be they recommend putting it up near the booster if it's the only one in the system.

Piggybacking it onto a stock system with an exisiting self-adjusting one I reckon Zook_Fan is on the money.
Author:  Gwagensteve [ Sun Oct 07, 2012 2:46 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
The pic is stock US(?) they don't look the same on local cars.

Steve.
Author:  BlueSuzy [ Sun Oct 07, 2012 4:20 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Gwagensteve wrote:
The pic is stock US(?) they don't look the same on local cars.

Steve.


Yes. Weird they use a different system!? This is for a twin line rear diff im guessing. Not sure if aussie twin rears ones are same?
http://www.suzuki-forums.com/suzuki-jim ... valve.html



Mine is a single line diff like most 90's sierras.
Image
Author:  BlueSuzy [ Sun Oct 07, 2012 4:24 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
DarkHorse wrote:
Is that pic a stock one? My guess would be they recommend putting it up near the booster if it's the only one in the system.

Piggybacking it onto a stock system with an exisiting self-adjusting one I reckon Zook_Fan is on the money.



My original prop valve is very close to original spot.

I know some cruisers have prop valves bolted up next to the master
Author:  DarkHorse [ Sun Oct 07, 2012 4:39 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
BlueSuzy wrote:
I know some cruisers have prop valves bolted up next to the master


Yes, but only one valve in the system, yeah?
Author:  BlueSuzy [ Sun Oct 07, 2012 4:49 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Yes like my drawing
Author:  303zuke [ Tue Oct 09, 2012 8:17 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
BlueSuzy wrote:
Gwagensteve wrote:
The pic is stock US(?) they don't look the same on local cars.

Steve.


Yes. Weird they use a different system!?

US Brakes are plumbed in a cross-over X pattern, where the front left wheel is plumbed with the rear right and the front right is plumbed to the rear left. Both circuits are identical. It's purportedly designed to prevent lock-up skids in snowy conditions.
Author:  BlueSuzy [ Tue Oct 09, 2012 9:01 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Ah ok. Tyring to contact engineer atm.
Author:  BlueSuzy [ Tue Oct 09, 2012 10:16 am ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
Got hold of engineer.

Dont have to run the lux type bar load sensing. Its not a commercial vehicle.

Adjustable valves are engineerable.

Going to run Blue A line for front only

Moreon B/C line for rear only

The master is suited for discs anyway. All he said he is looking for is the front to lock up before the rear. Armsup
Author:  fordem [ Tue Oct 09, 2012 10:01 pm ]
Post subject:  Re: Brake Tech. Aftermarket prop valve Q?
303zuke wrote:
BlueSuzy wrote:
Gwagensteve wrote:
The pic is stock US(?) they don't look the same on local cars.

Steve.


Yes. Weird they use a different system!?

US Brakes are plumbed in a cross-over X pattern, where the front left wheel is plumbed with the rear right and the front right is plumbed to the rear left. Both circuits are identical. It's purportedly designed to prevent lock-up skids in snowy conditions.


It has nothing to do with lock-up skids or snow - it is what is known as a "split-diagonal" system and it's purpose is to ensure that a leak does not cause total brake failure - a leak in either circuit will affect one front & one rear wheel only.
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