fesycresy
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| posted on 15/7/05 at 12:44 PM |
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Brake Bias Valve
Would it be possible to get a Wilwood (screw top) type bias valve through the SVA ?
Cheers, Lyn.
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mookaloid
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| posted on 15/7/05 at 12:45 PM |
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I think so - providing it can't be adjusted from the drivers seat
Cheers
Mark
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David Jenkins
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| posted on 15/7/05 at 12:46 PM |
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You can any form of bias device you like - but they'll test the brakes with the control set to both ends of the range. The chances of passing
the test at both settings are fairly slim...
David
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fesycresy
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| posted on 15/7/05 at 12:51 PM |
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What's the chance of a pass with no bias, as I'd like to fit a valve at some point ?
It's a BEC (R1) with standard sierra rear calipers and discs. Wilwoods on the front.
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chrisf
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| posted on 15/7/05 at 12:57 PM |
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Could you not put the valve in the rear and remove the knob? Then, it's not really adjustable. Just a thought.
--Chris
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David Jenkins
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| posted on 15/7/05 at 01:00 PM |
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Just remember that people with mechanical bias systems have had to either weld up the adjustment, or put a roll-pin through it, to get through the
test!
If it's reasonably easy to adjust, then they'll test the whole range of settings.
This is actually a sensible rule, IMHO. The car could get horribly dangerous if it was possible to easily set the bias to a badly wrong setup.
David
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David Jenkins
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| posted on 15/7/05 at 01:07 PM |
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quote:
Originally posted by David Jenkins
The car could get horribly dangerous if it was possible to easily set the bias to a badly wrong setup.
...re-arrange these words into a well-known phrase or saying... it's well into Friday afternoon, and my grammar control has switched into
gibberish mode!
Try again...
If the bias can be set to a position that made emergency braking unsafe then the car becomes dangerous.
There... that's a bit better... soon be home-time. 
David
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mookaloid
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| posted on 15/7/05 at 02:11 PM |
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My Indy passed SVA with no bias valve and with discs all round
[Edited on 15/7/05 by mookaloid]
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Surrey Dave
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| posted on 15/7/05 at 03:08 PM |
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I have no bias valve, and if anything I could do with more rear brakes not less, this is echoed by others I have talked to
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Hellfire
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| posted on 15/7/05 at 04:18 PM |
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Ours passed easily with no bias valve, as have numerous other BEC's. 
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shortie
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| posted on 15/7/05 at 06:26 PM |
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I have got a bias valve in mine but for SVA it is fully open as the sierra master cylinder sorts out the rest.
It is also covered in the tunnel and not adjustable by the driver without removing the top panel which means undoing loads of screws (and it
can't be seen) so this should be fine for SVA.
Rich.
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fesycresy
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| posted on 16/7/05 at 06:32 AM |
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Thanks all,
I'll leave out the bias valve for the time being and if I pass / think I need one, I'll worry about it later.
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SeaBass
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| posted on 16/7/05 at 10:08 AM |
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quote:
Originally posted by Surrey Dave
I have no bias valve, and if anything I could do with more rear brakes not less, this is echoed by others I have talked to
Echo that Dave. Our book locost with a 1300 live axle has very little braking to the rear.
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