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Brake Proportioning Valve

Also, does the fact I'm going to run a custom pedal box/master cylinder assembly render the original question irrelevant?
 
Ben, yes you will have one and i'd recomend you keep it to!

The other question depends on the type of pedal box you buy really as some are only single slave cylinders and so don't have the ability to run a bias bar as they don't need it (The tandem cylinders do require balancing up).

The trouble with balance/bias bars is that they need setting up for the car in question and with a certain amount of weight in them. For me in the Tourer it doesn't matter as I don't have the ability to carry more than the driver and a passenger so I can setup the rear brake balance pretty much bob on and it won't ever really change. Your 19 on the other hand has the ability to carry a total of 5 people meaning you're going to need some adjustment and the only option would be an in car adjustable balance bar which I believe is illegal and MOT failable!

Keep the standard valve mate, it's easier.
 
Well, I'm going to have to do something as to get the lump to fit means relocating the brake fluid reservoir and/or master cylinder and servo, and with the clutch pedal having to be converted to run hydraulic as opposed to cable operation I thought it would just be easier to fit a pedal box and individual cylinders on each one? That way solves the conversion and the relocation of the brake cylinder in one go!
 
if anyone can find the brake proportioning valve on a B537 19 they can have a crisp 20 quid from me.
 
LOL <gets searching under back of car>

How is effort divided between the front and rear on a B537 then Chris? Surely it's regulated somehow?
 
if anyone can find the brake proportioning valve on a B537 19 they can have a crisp 20 quid from me.

Chris,

He's running the 16v rear beam though now so it should have one. I don't know if it came with the kit he bought but all rear disc equiped 19's had them. Does that mean I get half of that crisp £20?

Sparky, why doesn't yours have a valve? Even the non-CUP Clio RS's have them but they're more oftern than not disconnected allowing the ABS/ESP to control the rear end bias.

He needs something cos the car needs the front/rear bias setting properly or else he'll kill himself braking in a corner what with the weight over the front of the car. Ben, think back to when you went out in Duncs Uno and how unstable that felt!
 
Thats exactly why he should have one!

Personally i would fit a bias bar set-up on the pedal box. You'll need to increase bias to the front in any case due to your four pots.
 
Yeah I was thinking pedal box, something else I have no idea on!

My plan (based on what I know about the setups) was to relocate the battery across the other side of the scuttle, fit the pedal box and install the reservoirs and bias bars on the bulkhead where the battery used to be.... or can I not do it like that?
 
u just have a complete pedal bob inc bias bar on the bulkhead in front of ur feet. if theres room for reservoirs here then fine, if not, locate them elsewhere.
 
yes, but its a variable you ideally want control of, especially when you are altering braking potential, or fitting a hefty engine up front!
 
But we're not talking about your car are we... no doubt your ABS handles it for you but Ben will need his bias setting up correctly or else his car will be unstable under braking. The obvious choice IMO would be to use the stanard Renault valve as in car adjustable units aren't strictly legal for road applications.
 
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