The Venom Project
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 posted on 23/5/10 at 09:09 PM |
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Brake Bias Bar
A week ago I took this item off my car as the IVA people would have failed it. When I arrived at MNR on Saturday I was told I could refit the item as
they had changed the regulations. Its no wonder people pull there hair out with worrying about the IVA test.
I have set my mind at rest now that my car will fail its initial IVA test, but hopefully within the 5 day free retest window I can fix whatever the
issue's will be.
It's not that i'm lazy, it's that I just don't care.....
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Davegtst
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| posted on 23/5/10 at 09:27 PM |
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AFAIK there is no problem having them fitted but once set they have to be permanantly fixed (welded or threads destroyed) to get through. If not then
i am getting one.
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The Venom Project
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| posted on 23/5/10 at 09:29 PM |
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Nope, new rule seems to allow them now, how bloody annoying LOL, I did remove it for a fixed bar, but now they have changed the rules.
It's not that i'm lazy, it's that I just don't care.....
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bi22le
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| posted on 23/5/10 at 09:40 PM |
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i have not touched my bias bar since i got the car! Its a good bragging point but im just too sacred to touch it!
Track days ARE the best thing since sliced bread, until I get a supercharger that is!
Please read my ring story:
http://www.locostbuilders.co.uk/forum/13/viewthread.php?tid=139152&page=1
Me doing a sub 56sec lap around Brands Indy. I need a geo set up! http://www.youtube.com/watch?v=EHksfvIGB3I
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SteveWalker
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| posted on 23/5/10 at 09:56 PM |
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quote:
Originally posted by bi22le
im just too sacred to touch it!
All genuflect towards bi22le!
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RK
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| posted on 24/5/10 at 12:46 AM |
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I can't get mine to do anything.
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AdamR
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| posted on 24/5/10 at 08:00 AM |
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quote:
Originally posted by The Venom Project
Nope, new rule seems to allow them now, how bloody annoying LOL, I did remove it for a fixed bar, but now they have changed the rules.
Are you 100% sure about that? Bias bars have always been allowed AFAIK, but only if the brakes pass at every possible setting, which is very unlikely.
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cd.thomson
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| posted on 24/5/10 at 08:44 AM |
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no definitely not allowed unless fully welded along all threads.
I was tested against the latest edition last wednesday
Craig
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BenB
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| posted on 24/5/10 at 09:27 AM |
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quote:
Originally posted by RK
I can't get mine to do anything.
You can get some pills for that 
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marc n
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| posted on 24/5/10 at 10:55 AM |
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quote:
no definitely not allowed unless fully welded along all threads. I was tested against the latest edition last wednesday
it was a known update that comes into effect at 9 am this morning i believe. you are allowed a bias bar assembly but the assembly once set must be
fixed with a locking device to disable further adjustment. as far as im aware acceptable locking is a roll pin, lock nuts and spacers . pretty much
anything that requires tools to remove.
im hoping to ring this afternoon and confirm the exact wording and will update on here as soon as i have full clarification
best regards
marc
please email rather than u2u
direct workshop email ( manned 8am till 6pm )
www.mnrltd.co.uk enquireys to :-
chrismnrltd@btinternet.com
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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Blackbird Rush
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| posted on 24/5/10 at 11:31 AM |
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Mine failed on this earlier in the month as i had not disabled the adjustment (just had a locknut) i knew it would fail but wanted to bea ble to set
it up at the test, as it happened it passed where it was and all needed to do was weld it up, which i have now done!
Does seam strange that they would relent on the ruling and go back to the early SVA rule of just roll pin locking the bar??
Ash.
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PeteS2k
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| posted on 24/5/10 at 12:16 PM |
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That would've saved me a lot of hassle! Had to weld it, (fail on rear brake performance), cut it off, re-set a new one and get that welded to
get a pass. Less than 2 weeks ago... And they did check it, too...
Ho hum. Water under the bridge...
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wicket
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| posted on 24/5/10 at 12:59 PM |
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Gone back to how it was done in SVA days then.
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eddie99
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| posted on 24/5/10 at 01:05 PM |
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I hope it is going back to the original SVA way.... Keep us posted!
http://www.elitemotorsporteng.co.uk/
Twitter: @Elitemotoreng
Facebook: http://www.facebook.com/pages/Elite-Motorsport-Engineering/153409081394323
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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marc n
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| posted on 27/5/10 at 08:32 AM |
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update for you all the new version of the manual is now released ( got the email this morning ) it still says version 4 but it is infact version 5
page 84 has the information, basically a sticker will need to be attached in the area around the bias adjuster with the wording in note 6 . i am
having some made , cost to anyone who needs one is £2.50 plus the cost of a stamp
new manual found here
www.businesslink.gov.uk/Transport_Theme_files/124_IVA_M1_Inspection_Manual__Version_4_0510.pdf]new manual[/url]
best regards
marc
[Edited on 27/5/10 by marc n]
please email rather than u2u
direct workshop email ( manned 8am till 6pm )
www.mnrltd.co.uk enquireys to :-
chrismnrltd@btinternet.com
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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40inches
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| posted on 27/5/10 at 10:52 AM |
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"Note 5: Bias bars and other mechanical adjusting devices fitted to twin master cylinders must be rendered inoperable by mechanical means
e.g. lockwiring of components."
From new regs as pointed out by Marc
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40inches
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| posted on 27/5/10 at 10:57 AM |
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quote:
Originally posted by Blackbird Rush
Mine failed on this earlier in the month as i had not disabled the adjustment (just had a locknut) i knew it would fail but wanted to bea ble to set
it up at the test, as it happened it passed where it was and all needed to do was weld it up, which i have now done!
Does seam strange that they would relent on the ruling and go back to the early SVA rule of just roll pin locking the bar??
Ash.
Drilling and wiring the lock nuts seems the easiest to do. Perhaps some one, with some engineering knowledge, at VOSA has twigged that once welded the
unit is effectively foobared
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David Jenkins
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| posted on 27/5/10 at 11:28 AM |
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I've often wondered whether welding the bias bar would weaken it in any way...
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