zxrlocost
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 posted on 25/4/06 at 12:33 PM |
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turned up late for sva
sent off in plenty of time and got totally lost ended up a 1 hour 40 min journey and should have been 40 mins
they couldnt do the sva but stewart still checked my car over gave me some ideas as I would have failed anyway mainly on radius's etc
and it doesnt self centre even with springs on the front
otherwise he complimented on what a nice car
absolutely destroyed a porsche on the way back
wohoo!!!
and that was with a CAT on!
ok ta chris
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shortie
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| posted on 25/4/06 at 12:34 PM |
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Bit of a shame!
Just out of interest do you have to pay again??
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zxrlocost
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| posted on 25/4/06 at 12:42 PM |
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they keep £50
send you back £100 in a cheque and you have to give back £150 if you get what I mean
in one way its not to bad because I got to thrash it and
2. it was going to fail anyway so best to tell us within half hour and 99% of what needs fixing than keep us there for 4 hours
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wheezy
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| posted on 25/4/06 at 01:00 PM |
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Sorry to here that Chris.
At least you should have no trouble getting through next time.
By the way is the cat that you used from Martin(MK Engineering), because if it is how did the emmissions go the other day as I will be using for my
test next week.
Dave
[Edited on 25/4/06 by wheezy]
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zxrlocost
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| posted on 25/4/06 at 01:04 PM |
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I didnt get that far mate
yes its the cat Im using its bloody big should be ok for you
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wheezy
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| posted on 25/4/06 at 01:08 PM |
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Martin said it was quite large so it will be a bit of a squeeze and will need some additional brackets making.
Have you got a date for a new test?
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zxrlocost
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| posted on 25/4/06 at 01:19 PM |
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no retest yet
gonna get everything sorted first so it hopefully passes first time
chris
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wheezy
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| posted on 25/4/06 at 01:22 PM |
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I'm sure you will fly through next time
Dave
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Dave J
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| posted on 25/4/06 at 01:32 PM |
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What a bummer!
Best of luck with the eventual test
Cheers
Dave
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Browser
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| posted on 25/4/06 at 01:37 PM |
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This whole self-centring issue.
It seems to me to be a ridiculous rule if, as seems often to be the case, owners are setting the steering to a ridiculous (read undriveable) angle to
get it past SVA then correcting it once an MAC is clutched in a sweaty paw?
Are the settings required by the SVA wholly inaccurrate?
Do the likes of Caterham/Westfield/Dax et al do the same when they take their cars for SVA?
Is there something fundamentally wrong with the basic steering geometry of a LOT of Locosts?
Thoughts kindly appreciated.
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greggors84
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| posted on 25/4/06 at 01:43 PM |
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I think it is a problem with the locost geometry, or maybe just the MK as alot of folk fix it if they are building the wishbones themselves.
I can see why the self centering is an issue, the first time i drove it was very odd and you have to remembern when turning out onto a road otherwise
you end up halfway across the other side.
Someone like darren at GTS needs to make some Indy wishbones that bring the top of the hub back abit to give abit more castor. I know he has made a
new version of the bones but i dont think they correct this.
Chris
The Magnificent 7!
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jos
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| posted on 25/4/06 at 01:44 PM |
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So that wasnt you that i said hello to. Dont worry the other guy there failed too.
All the best cars fail first time, its what makes them so good.
Who ever had their sva at shrewsbury today and trailered their car back towed by a 5 series, ullo, it was me that stopped to speak to you.
.: Motorsport / motor racing circuit / track wall art Apex Traxs :.
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zxrlocost
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| posted on 25/4/06 at 01:57 PM |
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that chap had a locost hed built
and failed on the emissions
I need stiffer springs than valve springs
as Im not towing my car out much they wont pass it anyway if its very visible although a little tow out will help with the springs and low tyre
pressure apparently so ill give it a go
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jos
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| posted on 25/4/06 at 02:07 PM |
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When you go again, take a foot pump and pump up your front tyres to 40-50psi. That will help with self centering and you wont scrub your tyres on the
journey over.
Make sure you drop the pressure for your journey home
[Edited on 25/4/06 by jos]
.: Motorsport / motor racing circuit / track wall art Apex Traxs :.
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David Jenkins
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| posted on 25/4/06 at 02:17 PM |
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Apparently they are getting wise to these dodges - don't do anything too blatent otherwise you'll just pee the tester off.
David
BTW: I didn't make it to the SVA first time round, either!
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Paul G
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| posted on 25/4/06 at 03:17 PM |
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and dont tell the tester about the springs under the rack gaiter! Mine checked for any visible signs of getting it to self centre (ie checkd the arm
to the rack to see if I'd put some mechanism on there), luckily though they cant remove the gaiters to see the springs
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NS Dev
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| posted on 25/4/06 at 09:58 PM |
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sorry but putting spring returns on the rack is a bodge of the very highest order!
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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David Jenkins
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| posted on 26/4/06 at 07:00 AM |
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I chose to make the self-centering work on my car - there is a reason why the SVA testers look for it! It is a safety feature after all.
There once was a time when Montegos were almost always sold with power steering, but a neighbour always preferred cars without. I had a chance to
drive it - if you were on full lock and accelerated, the wheels would stay hard on full lock! No self-centering at all. After that experience I
decided that my car would be correct...
In my case, I altered the design of the top wishbone, as described here many times. The self-centering on my car is as good as any commercially made
car. (yeh - I know - smug git... )
David
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zxrlocost
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| posted on 26/4/06 at 07:18 AM |
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ok so how does all this work with the wishbones and is there any I can buy for my mk
chris
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David Jenkins
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| posted on 26/4/06 at 07:22 AM |
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The geometry is altered so that the top pivot point is about 22mm behind the lower one, instead of 14mm as in the book (values dimly remembered, so
check with other people).
You could try fiddling with the spacer washers on the top and bottom bones, to push the lower bone as far forward as possible, and the upper one as
far back as possible. This is if you have room to adjust them, that is...
Maybe worth asking MK for their advice - perhaps they sell 'enhanced' top bones.
David
[Edited on 26/4/06 by David Jenkins]
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Paul G
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| posted on 26/4/06 at 09:18 AM |
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>sorry but putting spring returns on the rack is a bodge of the very highest order!
Yeah - forgot to say it is just a bodge to get through SVA (and if they were on I'd get it trailered there). Once passed they need taking off
and then you can sort the self centering without the pressure of a looming SVA.
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zxrlocost
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| posted on 26/4/06 at 09:37 AM |
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I agree theyll soon be fucked of once passed
but you gotta do what you gotta do
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