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c.doney
Newbie


Joined: 18 Oct 2019
Posts: 2



PostPosted: Tue Oct 29, 2019 7:14 pm    Post subject: Geometry! Reply with quote

Hi guys, Just fitted some Bilstein Coilovers to my 996 c4 and now looking for recommendations for somewhere to have geo set up around the Portsmouth area. I know the 996 can be a bit of a ***** to get correct so somewhere with a bit of experience of 996 would be great. Am willing to travel so anywhere in the south would be great. Thanks!
 
  
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Mr Pub
Nürburgring


Joined: 15 Aug 2014
Posts: 441
Location: East Sussex


PostPosted: Tue Oct 29, 2019 7:29 pm    Post subject: Reply with quote

A bit of a drive but these are the best ones to go to
http://www.centregravity.co.uk
Well worth the effort to get there
_________________
Present
997.2 Turbo S - Metallic Meteor Grey/DMS Map/Europipe with Cargraphic Tips/Eibach Lowered/Plenum/DSC Controller/Misha Rear Wing/Werks 1 Diffuser/Fluffy Dog

Triumph Herald - with Gaz adjustable shocks/Swing Spring Axle Leaf/Brake Servo and Fluffy Dice

Past
996 Turbo - Seal Grey - Standard apart from the Fluffy Dog
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7466
Location: Brighton


PostPosted: Tue Oct 29, 2019 8:05 pm    Post subject: Reply with quote

Whilst C of G are the renowned experts here for a local adjustment to factory specs only then halfords or quick fit will do just fine .

The equipment they use is pretty foolproof .. you are not paying for an expert but only for someone to adjust the car to factory specs and the Hunter system they use will do just that .. i used it back at OPC so can confirm that anyone can adjust a car to factory specs with it ...

Even me !
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 17029
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Oct 29, 2019 8:11 pm    Post subject: Reply with quote

Agree
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2000 Manual 996 C4 Arctic Silver Convertible


 
  
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Hamblemark
Trainee


Joined: 22 Mar 2014
Posts: 53
Location: Southampton


PostPosted: Tue Oct 29, 2019 8:21 pm    Post subject: Reply with quote

Brookspeed in Eastleigh did my geo recently, after the front sub-frame was dropped for a refurbed steering rack and new control arms were fitted at the same time.

Drives so much better now than it did.

They always have lots of 996/997 models in whenever I am there.
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skinny_monkey
Nürburgring


Joined: 16 Sep 2014
Posts: 457



PostPosted: Tue Oct 29, 2019 11:09 pm    Post subject: Reply with quote

deMort wrote:
Whilst C of G are the renowned experts here for a local adjustment to factory specs only then halfords or quick fit will do just fine .

The equipment they use is pretty foolproof .. you are not paying for an expert but only for someone to adjust the car to factory specs and the Hunter system they use will do just that .. i used it back at OPC so can confirm that anyone can adjust a car to factory specs with it ...

Even me !


Depends what you want. Anyone should be able to align the car within the Porsche specs. The better ones might even get the left side to match with the right.
However they probably won't align the car to get the specific handling you want - i needed camber outside of factory spec as well as backing off the rear toe to get the car to give me what i wanted.
 
  
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Teffers
Silverstone


Joined: 28 Dec 2009
Posts: 139
Location: West Mids


PostPosted: Wed Oct 30, 2019 8:41 am    Post subject: Reply with quote

skinny_monkey wrote:


Depends what you want. Anyone should be able to align the car within the Porsche specs. The better ones might even get the left side to match with the right.
However they probably won't align the car to get the specific handling you want - i needed camber outside of factory spec as well as backing off the rear toe to get the car to give me what i wanted.


What he said.

Think about what you want. These cars are mighty fine out of the box on factory settings but if you want something specific, like you use the car more on track than road for instance, or even a particular track more than others - then you *may* benefit from seeing a specialist who can interpret your requirements into a one off setup.
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Martin996RSR
Nürburgring


Joined: 08 Dec 2016
Posts: 397



PostPosted: Wed Oct 30, 2019 9:04 am    Post subject: Reply with quote

Whatever you do, make damn sure your rear camber and toe eccentric bolts are not seized. So many people (including me) have gone for an alignment only to find they can't adjust part of the suspension, leading to an expensive wasted journey.
 
  
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Y2K
Montreal


Joined: 08 Mar 2016
Posts: 536
Location: Hampshire


PostPosted: Wed Oct 30, 2019 9:07 am    Post subject: Reply with quote

Not used them personally but The Wheel Alignment Centre Southampton have good reputation. Been told to call them rather than email.

A bit further Nine Excellence at Horley. Mine was done there and I am happy with it.
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1999 Integra DC2
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 17029
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Wed Oct 30, 2019 9:29 am    Post subject: Reply with quote

Martin996RSR wrote:
Whatever you do, make damn sure your rear camber and toe eccentric bolts are not seized. So many people (including me) have gone for an alignment only to find they can't adjust part of the suspension, leading to an expensive wasted journey.


Same here.
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2000 Manual 996 C4 Arctic Silver Convertible


 
  
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Fulla
Imola


Joined: 08 Feb 2008
Posts: 817
Location: Ealing


PostPosted: Wed Oct 30, 2019 10:57 am    Post subject: Reply with quote

I would go to Center of Gravity - They will transform the way the car handles and drives. They have also "put right" issues caused by companies who say they can align the car.
It will be the best mod you can do to the car and a great experience as Chris and his team are chassis guru's!!
I wouldn't touch anyone else and would not advise taking your car to a Halfords. CoG specialise in Porsches.
IMHO
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911 3.2 Clubsport
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Ex 993 C2
Ex 996 C2
 
  
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SaintsPaul
Spa-Francorchamps


Joined: 17 Nov 2012
Posts: 338
Location: Hants


PostPosted: Wed Oct 30, 2019 11:39 am    Post subject: Reply with quote

I personally wouldn't touch Brookspeed with a barge pole but the wheel alignment centre is spot on. My cars always go there. Serves good coffee too thumbsup
 
  
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mun802
Silverstone


Joined: 05 Apr 2008
Posts: 138
Location: Lancs


PostPosted: Wed Oct 30, 2019 12:17 pm    Post subject: Reply with quote

Mines booked in with Center Gravity this Friday for suspension refresh and geo..long way to go but hopefully it'll be worth it.
 
  
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NedHan79
Montreal


Joined: 08 Nov 2018
Posts: 539



PostPosted: Sun Nov 03, 2019 10:19 am    Post subject: Reply with quote

Sorry to hi jack your thread. Is there anywhere in Northern Ireland?

I'll have everything sorted and I'm thinking all I really need are the settings for a better drive. I have one place lined up that sets up rally cars so he's top of the list
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Martin996RSR
Nürburgring


Joined: 08 Dec 2016
Posts: 397



PostPosted: Sun Nov 03, 2019 12:51 pm    Post subject: Reply with quote

A lot of people will poo poo this, but if you know what settings you want, then you can take it more or less anywhere with a decent alignment kit and tell them what settings you want. As long as your adjusters aren't seized then they will be able to do it. It's not rocket science. I paid about £60 for my last four wheel alignment and got to help/supervise the technician to make damn sure I got what I was asking for.

What you're paying for at the specialists is their knowledge on what settings get what results in terms of how the car drives. You're not paying for their ability to swing a spanner.

As for what settings to use; The less camber and toe-in you put on the rear the more you'll be able to steer the car on the throttle. You don't generally need loads of camber on the front, as the more camber you put on the front, the smaller the contact patch is for the brakes to work with, and the longer your stopping distances will be. Also, the sidewall height of your tyres has an influence on how much negative camber you can use, as taller and softer sidewalls will need more, and shorter stiffer sidewalls will need less in order to allow the tyre's contact patch to be maximised in corners.

What works for me is stock settings on the front, and zero toe at the rear, with about -2 degrees camber. I'll be dialling the camber back to -1 degree when my new parts are fitted to allow this. I really must stress to everyone reading this that these are MY PREFERRED SETTINGS, not an invitation for a critique on them or a recommendation for others to use them.
 
  
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NedHan79
Montreal


Joined: 08 Nov 2018
Posts: 539



PostPosted: Sun Nov 03, 2019 7:11 pm    Post subject: Reply with quote

Hi Martin. That’s pretty much what I had in mind in taking it anywhere really. All I need are the settings for x74 or what ever it is that ticks the boxes.
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Dagerous
Newbie


Joined: 23 May 2014
Posts: 34
Location: Hamble


PostPosted: Sun Nov 03, 2019 8:56 pm    Post subject: Reply with quote

I’ve used both The Wheel Alignment Centre and Brookspeed for setting up my Carrera 2 and would recommend both without reserve. The Wheel Alignment Centre is great value and made a nice difference to my M030 suspension.

Brookspeed were a slightly more involved change. They fitted Ohlins Road & Track coilovers along with new arms, topmounts etc (Pretty much a full suspension refresh). As regards setup I spent some time discussing what I wanted with Simon at a Brookspeed who handles suspension for their various racing cars and formulated a plan based on optimal fast road geometry using GT3 ride height.

The car is, unsurprisingly, transformed. Looking at the geometry readout for the alignment I’ve never seen one so precise and symmetrical before. It really is quite astonishing how tightly tolerances it now is.

So I’d recommend both as being good but Brookspeed are something special and really know what they are doing with a 911 well beyond factory parameters.
 
  
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