nick205
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| posted on 14/2/07 at 09:12 AM |
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wanted - valve springs for SVA steering mod
Has anyone got a couple of old valve springs they could donate for an SVA steering mod?
I'd be happy to send a self addressed envelope with postage.
Cheers
Nick
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coozer
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| posted on 14/2/07 at 10:15 AM |
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Whats the mod? Is it in responce to a SVA fail?
Would be nice to know in case we all have to do it!
Steve
1972 V8 Jago
1980 Z750
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nick205
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| posted on 14/2/07 at 10:23 AM |
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Hi Steve,
Not in response to a fail, but several people have advised on fitting a valve spring to each side of the steering rack shaft, between the tie rod and
rack body. The purpose is to add some self centering assistance and to limit the full lock of the rack by a small amount.
I have my SVA in 2 weeks - I may go without the springs and only fit them if it comes up as a failure.
Others may be able to offer more advise on this?
Cheers
Nick
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chockymonster
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| posted on 14/2/07 at 10:28 AM |
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quote:
Originally posted by coozer
Whats the mod? Is it in responce to a SVA fail?
Would be nice to know in case we all have to do it!
Steve
Steve,
You won't have any issues with this. The Vortx has a decent amount of castor.
PLEASE NOTE - Responses on Forum Threads may contain Sarcasm and may not be suitable for the hard of Thinking.
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James
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| posted on 14/2/07 at 10:39 AM |
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I've found that with use of the car, the self centring has improved greatly. I suspect it's that the balljoints have freed up somewhat
from their initial (out of the packet) stiffness.
Cheers,
James
------------------------------------------------------------------------------------------------------------
"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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zxrlocost
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| posted on 14/2/07 at 10:45 AM |
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you need to drive your car first somewhere nick and see what happens
theres not much chance of it self centering
ta chris
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nick205
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| posted on 14/2/07 at 10:58 AM |
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quote:
Originally posted by zxrlocost
you need to drive your car first somewhere nick and see what happens
theres not much chance of it self centering
ta chris
I've driven at low speeds, but not really been able to get a feel for it. The first "proper" drive I'll get will be en route
to the SVA 
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zxrlocost
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| posted on 14/2/07 at 11:09 AM |
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full lock at low speed, steering wheel should want to move back towards the middle
search for my self centering thread HOW TO
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mad4x4
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| posted on 14/2/07 at 12:39 PM |
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LOTS of toe out should help but put it on just before going into the test as if you have a long drive you'll strip the tyres
Plus it may dangerous to drive
Scot's do it better in Kilts.
MK INDY's Don't Self Centre Regardless of MK Setting !
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nick205
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| posted on 14/2/07 at 12:41 PM |
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Right - plan is to SVA using toe and tyre pressure settings and hold the valve spring idea in reserve.
Thanks for the advice guys!
Cheers
Nick
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Paul G
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| posted on 14/2/07 at 02:03 PM |
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if all else fails and you use the valve springs DO NOT let the sva tester know about it!
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RazMan
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| posted on 14/2/07 at 02:45 PM |
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quote:
Originally posted by Paul G
if all else fails and you use the valve springs DO NOT let the sva tester know about it!
Wouldn't this be just the same as putting in a shim to limit the lock? (eg. if you have a clearance issue) A 'springy shim' would
just give some tactile feedback before full lock is reached.
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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Paul G
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| posted on 14/2/07 at 04:29 PM |
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Dont know but my SVA tester specifically asked if I had put springs in as that would be a fail (I had done cos I've got an Indy but of course I
just lied and said no - they arent allowed to peel off the rack boots to have a look!)
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BenB
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| posted on 14/2/07 at 04:38 PM |
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quote:
Originally posted by Paul G
they arent allowed to peel off the rack boots to have a look!)
You sure? I was under the impression they could ask you to remove anything "removable" to check things out.... Peeling back a gaitor
sounds very do-able... Depends how nice / mean the examiner is going to be- mine just said "oh- you should really make sure it self-centers cos
otherwise it's dangerous but it seems a shame to drag you back here to re-test it.... as long as you promise to do it when you get back to the
garage...."... LOL 
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Stu16v
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| posted on 14/2/07 at 08:46 PM |
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If the car is being assessed properly, the valve spring theory wont make a blind bit of difference...
Dont just build it.....make it!
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