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Sti 330S suspension development "project"

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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Mon Jun 21, 2010 12:33 pm

The above sexy STi bits are on there way - 2 parts are in coventry and on way to me, other is in the air from Japan!
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Revolution

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Re: Sti 330S suspension development "project"

Post  Revolution on Tue Jun 22, 2010 3:33 am

All looks excellent stuff as you would expect from STi - but why flexible surely losing the rigitity hence why your fitting them in the 1st place.

sure there must be a reason - just love to know what it is??

Glenn
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Tue Jun 22, 2010 12:21 pm

Glenn,

STi have put a rose joint in the cross bar apparently, which gives a little compliance in slow traffic / low load, but firms up when the load increases at speed or hard cornering.

So best of both worlds - good ride comfort and improved stiffness at speed.

I'll have a closer look when it arrives and put up a pic... and if I can find it again the STi blurb on the reason for it!!!

Neil
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Revolution

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Re: Sti 330S suspension development "project"

Post  Revolution on Wed Jun 23, 2010 5:25 am

Hi Neil

All sounds very trick indeed!!
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Fri Jun 25, 2010 2:38 pm


The strut brace came today with the under side cross brace, and the crosmember support brace.

The strutbrace DOES have a ball joint / spherical bearing / pillow ball etc. ( what ever term you are used to ) in the middle. In the hands it wobbles about 30 degrees from straight ... BUT on the car it is tight between the mounts and will restrain any sideways forces as the strut mounts / turrets try to push in ( or pull outwards ) with suspension load... yet it seems to allow twisting forces as the inner wing / strut top mount(s) push upwards over bumps etc.

Town driving, couldn't feel any difference, have to have a play in the morning!

Other bits will go on with the rest of suspension bits!
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vulnax

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change of plan with suspension sorting programme ...

Post  vulnax on Wed Aug 25, 2010 12:17 pm


It's gone awry a little lately.

For whatever reason, the garage have not been returning calls or e-mails.
I am still waiting for a work list, prices and confirmation that the parts are at the garage not sat on some suppliers shelf.

May be good reasons, but not had them. In fact, the garage has now hired some one to manage the parts / motorsport section of the garage ...
Anyway told them I am fed up waiting, not having parts ordered when told they would be, having my spec changed to manufactures they trade in rather than items / manufacturers I have used happily before, etc. etc.

Having Prodrive springs fitted today at dealer with the 1 year service, so lets see how they improve the nose lift / dip on power / braking and roll in bends before I go to the next step.


So already got my Japan STi parts, need to get them fitted.
Got some of the suspension stuff - Whiteline roll / bump steer kits, powerflex ALK, gearbox and steering rack PU mounts, and the other front wishbone PU bush, so front end sorted when I fit them.

Rear diff and subframe power / positive traction kits - Whiteline - ( PU plugs for voids in OEM bushes ).

And will get it 4 wheel aligned when done, with lots of camber on front, using camber bolts at rear and 2 pairs on front as needed!
Will be based on the Prodrive settings as seen on here and come with the springs.


A/R bars IF needed can be done later with the adjustable drop links.


urban

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Re: Sti 330S suspension development "project"

Post  urban on Thu Aug 26, 2010 1:28 am

vulnax wrote:
Having Prodrive springs fitted today at dealer with the 1 year service, so lets see how they improve the nose lift / dip on power / braking and roll in bends before I go to the next step.

Look forward to hearing your views on the Prodrive Springs.
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Thu Aug 26, 2010 11:58 am

Hi Urban

OK, got the car back tonight from the dealers after the 1 year service and more importantly the Prodrive springs.
No one seems to know or find out the rates for the Prodrive springs ( although some STi springs in Japan are rated 50 front, 40 rear, kg/cm I think the units are ... )

Firstly .... NOT HARSH! some comments I had read were saying the ride quality is lost, too hard / harsh / bumpy ... but not a bit of it.
The 50 mile return journey included a couple of lots of 30 - 40 mph vilages, 40 - 60 stretches of country A roads with bends, and some motor way.

All felt fine to the bum sensor! No harsh jarring over rough tarmac, no jiggling or crashing about in turns.


The nose lift on booting hard has nearly gone.
The front squatting under braking seems much reduced.
The undulation during normal driving has now gone.
The car remains flat around corners, much less roll.

Not pushed it yet or tried my problem roads but the under steer seems less ..


It was set to the Prodrive alignment settings, although they could not get more than 1 09 ( 1 degree 9 minutes ) on one side so made it even both sides at that ( should be able to get upto 1 30 ).


The car is a daily driver so I will feed back more feeling / performance over the next few days.

First impressions are good.
Price comparablewith othesprings, around £200, fitting was Dealer price so a bit dear.
Other similar springs with similar heights / rates may well do as well!


Ohh yeah, not sure if it looks any lower, should be around 20mm lower, I forgot to measure before I took it in....!
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Tone Loc

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Re: Sti 330S suspension development "project"

Post  Tone Loc on Thu Aug 26, 2010 1:37 pm

I'd be interested to see some pics of the arch gaps, arron's looks good at the mo but the ET35mm wheels seem to help.

Where did you source the springs and which dealer did the fitting?

Cheers,

Tony.
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Thu Aug 26, 2010 3:08 pm

Hi Tony,

Monksheath ( near Knutsford, Macclesfield ) were the dealers, nearest to me despite a 50+ mile run!
They supplied and fitted the springs.

I'll let the car / springs settle and get a few pics at the weekend.


Seems about 2 finger gap above each tyre to arch lip, but very rough before I brought the car home.

urban

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Re: Sti 330S suspension development "project"

Post  urban on Fri Aug 27, 2010 12:36 am

vulnax wrote:Hi Urban

OK, got the car back tonight from the dealers after the 1 year service and more importantly the Prodrive springs.
No one seems to know or find out the rates for the Prodrive springs ( although some STi springs in Japan are rated 50 front, 40 rear, kg/cm I think the units are ... )

Firstly .... NOT HARSH! some comments I had read were saying the ride quality is lost, too hard / harsh / bumpy ... but not a bit of it.
The 50 mile return journey included a couple of lots of 30 - 40 mph vilages, 40 - 60 stretches of country A roads with bends, and some motor way.

All felt fine to the bum sensor! No harsh jarring over rough tarmac, no jiggling or crashing about in turns.


The nose lift on booting hard has nearly gone.
The front squatting under braking seems much reduced.
The undulation during normal driving has now gone.
The car remains flat around corners, much less roll.

Not pushed it yet or tried my problem roads but the under steer seems less ..


It was set to the Prodrive alignment settings, although they could not get more than 1 09 ( 1 degree 9 minutes ) on one side so made it even both sides at that ( should be able to get upto 1 30 ).


The car is a daily driver so I will feed back more feeling / performance over the next few days.

First impressions are good.
Price comparablewith othesprings, around £200, fitting was Dealer price so a bit dear.
Other similar springs with similar heights / rates may well do as well!


Ohh yeah, not sure if it looks any lower, should be around 20mm lower, I forgot to measure before I took it in....!

Good news.
How many hours labour did they charge you if you don't mind.

I'm very temped to get these for my own 330S - hopefully remove that "powerboat" feeling on acceleration/deceleration Smile

I'll keep an eye out for updates/pictures

Cheers
Shaun
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Fri Aug 27, 2010 10:11 am

No problem Shaun,

Twas £280 labour including the full 4 wheel alignment to Prodrive settings ( my preference on which of the range ... go to max -ve camber at front mainly )

So about 2 hours labour at £80 or £90 / hour and the tracking at £99 a go.

Yeah, near £600 all in!!!!!

Warranty friendly though.....
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Tone Loc

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Re: Sti 330S suspension development "project"

Post  Tone Loc on Sat Aug 28, 2010 7:26 am

vulnax wrote:Hi Tony,

Monksheath ( near Knutsford, Macclesfield ) were the dealers, nearest to me despite a 50+ mile run!
They supplied and fitted the springs.

I'll let the car / springs settle and get a few pics at the weekend.


Seems about 2 finger gap above each tyre to arch lip, but very rough before I brought the car home.

Monks Heath are my local dealer too, i always used Prosport for servicing etc tho. The price doesn't seem too bad for a dealer.

Just checked my car and using the scientific measuring system may car as it stands now is 2 1/2 fingers in the rear arch and 3 in the fronts. So that coincides with what other people have said regards the Prodrive springs.... about 10mm front and 5mm rear drop. The slightly larger drop on the front is what i want but i'd say 20mm and 15mm drop would be ideal.

How much did MH want for the springs? They are £230 i think on Prodrive's website.

Cheers,

Tony.
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Sat Aug 28, 2010 11:59 am

Springs were £200, plus the good old VAT so around £235 all in I guess.

Still pleased with them so far!

mickp

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Re: Sti 330S suspension development "project"

Post  mickp on Sat Aug 28, 2010 12:26 pm

Prosport fitted mine last year. I have been pleased with the springs, they are not harsh and do make a definite improvement.

I tried Monks Heath 5 years ago with a previous scoob, thought they were expensive. Been happy with Peter at Prosport ever since cheers

If i keep the Hatch it will be Prosport who get the job of fitting the forged gear Wink

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Paul666

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Re: Sti 330S suspension development "project"

Post  Paul666 on Sat Aug 28, 2010 1:50 pm

mickp wrote:Prosport fitted mine last year. I have been pleased with the springs, they are not harsh and do make a definite improvement.

I tried Monks Heath 5 years ago with a previous scoob, thought they were expensive. Been happy with Peter at Prosport ever since cheers

If i keep the Hatch it will be Prosport who get the job of fitting the forged gear Wink


Prosport have done all the work on my hatch.

Mick, we'll have to see if we can get Pete to do a discount on a couple of forged rebuilds sometime next year?
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Sat Aug 28, 2010 3:05 pm


Are Prosport any good on rebuilds???

I know they are OK on services and fitting bits..!

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Tone Loc

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Re: Sti 330S suspension development "project"

Post  Tone Loc on Sun Aug 29, 2010 10:56 am

i would have no hesitation letting Pete rebuild my engine, been using them for ten years when they were first in Levenshulme. With their experience and knowledge (running and building rally cars too) the work would be spot on. Maybe we should ask about a GB on 'drop in' pistons, no need to splt the block then and the rest of the engine could take a nice 380bhp with ease...

Lets have the spring pics too ,)

mickp

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Re: Sti 330S suspension development "project"

Post  mickp on Sun Aug 29, 2010 11:01 am

Paul666 wrote:
mickp wrote:Prosport fitted mine last year. I have been pleased with the springs, they are not harsh and do make a definite improvement.

I tried Monks Heath 5 years ago with a previous scoob, thought they were expensive. Been happy with Peter at Prosport ever since cheers

If i keep the Hatch it will be Prosport who get the job of fitting the forged gear Wink


Prosport have done all the work on my hatch.

Mick, we'll have to see if we can get Pete to do a discount on a couple of forged rebuilds sometime next year?

Paul

I have already had a chat with Pete, just waiting for price on mine. Can't make my mind up whether to keep it or sell it though. Today i want to keep it but tomorrow may be different Embarassed

It's a great car TBH, just the piston issue that has caused unrest with me Mad Mad
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vulnax

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Failure of Whiteline adjustable drop links and brackets.

Post  vulnax on Sun Jan 08, 2012 2:34 pm

Another bit of a problem.

Whiteline rear adjustable drop links - failed again!




Car felt funny recently, I blamed the weather and the cold, then the tyres.


Looked under the rear today, the o/s drop link has snapped on the adjustable bolt, and also the mounting bracket in the lower arm has sheared off at the point the link mounts on thelower part.

I had the mounting bracket shear after less than 3 months last year on the n/s ... Whiteline sent thicker new design brackets .. so must know about the problem.




Waiting to see if they will replace the drop link.
Not been sure about the mounting angle even with the spacers provided.

[/url]


Last edited by vulnax on Sun Jan 08, 2012 2:37 pm; edited 1 time in total (Reason for editing : double posted images!)
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vulnax

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Re: Sti 330S suspension development "project"

Post  vulnax on Wed Jan 18, 2012 12:32 pm

Whiteline are sending replacement droplinks ( 2 of ) so whoopee!
Told me off for not fitting both the modified uprated lower mounting brackets at the time ( as you wouldn't have broken the drop link if you had ) !

Not arrived yet, awaiting delivery of stock.

No comment on the angle ... nor if I had fitted them wrong side of the lower bracket ( not really any room, certainly not above due to level sensor brackets ).

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