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PostPosted: Sun Jan 14, 2018 8:49 pm 
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Joined: Thu Jul 21, 2016 8:43 pm
Posts: 19
Location: Spain
Car Model: 9-3ss b207r stage1
I need coilovers for 90% trackday use. KW v2 is good or is there any other better? Maptun has this XT-series but I don't find info about it.. they has this nice adjustable camber plate.
Or maybe better springs?
Now I drive with bilstein b8 and eibach pro-kit springs.
For 9-3ss b207r.


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PostPosted: Mon Jan 29, 2018 10:11 pm 
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Joined: Mon Jan 22, 2018 7:50 am
Posts: 7
Location: Royal Leamington Spa
Car Model: Saab 9-5
My experience tells me the more you pay the better you get...if its a known brand.

Coilovers are best with adjustable platforms so you can get the ride height, rake of the car set up correctly and allow you to corner weight the car.

Top adjustable platforms help set the tyre contact area for cornering. Spherical top bearings are hard on the road but great on the track. Make sure your wing tops are in good order or they may crack.

Speak directly to the manufacturers for advice on spring rate and shock absorber valving options.

My race cars run Bilsteins which are brilliant or EXE TC which I have had on a Subaru. However if I ever had anything oddball or not listed I have used AVO in Northampton. AVO have made me stuff and not charged me extra or quibbled on warranty. I never ever bent one but I have blown them, but they are cost effective option for track days.

I have had bad experiences with cheap coilovers bending, platforms cross threading and valves failing. Its not worth going cheap. I would rather go good quality secondhand. Most manufactures will service them for you.
I never had a Bilstein fail in 10 years use hammering the kerbs lap after lap. Although I do have them serviced regularly.

If i wasn't running coilers then I would buy exactly what you already have.

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PostPosted: Mon Jan 29, 2018 10:43 pm 
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Joined: Thu Aug 30, 2007 1:12 am
Posts: 1922
Location: South Wales M4 J27/28
Car Model: 2009.5 9-5 2.3T TE St4 Auto
Are you going to be setting the height and camber etc up at each track day and adjusting it back for road use or are you going to set it once and leave it?

If you have the kit and resources / expertise to set it all up each time to suit the track then adjustable coilees (b14 or b16?)makes sense but if not or you are just going to be making unmeasured adjustments then I would think maybe to get a b12 kit and get it set up once by somebody who really knows their stuff and get it set for 'track-day'.

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PostPosted: Tue Jan 30, 2018 9:35 pm 
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Joined: Fri Apr 24, 2009 5:33 pm
Posts: 8399
Location: Derbyshire
Car Model: 9-3ss Aero + og93 RWD trackcar
KW or BC are both good & make for that model.

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PostPosted: Sat Feb 03, 2018 12:19 pm 
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Joined: Wed Jul 23, 2014 10:59 pm
Posts: 133
Car Model: 9-3 2.8t
Bc are made in China. There was a set on a car I sold a few months ago. I was interested in fitting then on mine but hated the ride. And the rear springs at max extension still meant the rear wheels were in the arches. My dad had the same problem on his skyline and they had to send him extended adjusters .

I'm running b6 bilstein and maptun springs. I'm spending more time at the track and am considering the kw v2 as my next purchase.

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PostPosted: Mon Feb 05, 2018 1:14 pm 
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Joined: Mon Feb 07, 2005 4:48 pm
Posts: 21553
Location: Fliptop Towers, North Yorks...the flat bit.
Car Model: One or two...
With what you have now, which is a great road set-up and pretty good for occasional track day use, you're into marginal gains if you go the coilover route. Sure you would get more adjustment and the ability to really personalise your set-up, but you need to know what you're doing and have the time to put into it...these things are always a compromise. I've seen guys using coilovers really struggle to get a set-up that works well on road and track, one of our brethren is considering dumping (Maptun) coilovers for traditional springs & dampers.

I don't know how they work on the 9-3ss, but on the 9-5, for track I think the static rate Abbott springs are a little better and stiffer overall than the progressive Eibachs I currently have. It's certainly something I intend to swap on FB3 when I get around to it.

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PostPosted: Wed Feb 07, 2018 6:43 am 
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Joined: Thu Jul 21, 2016 8:43 pm
Posts: 19
Location: Spain
Car Model: 9-3ss b207r stage1
Finally I will try with H&R spring. Quite cheap at 135€. They should not be so progressive as Eibach and a bit lower.
If not next year I will consider try coilovers.


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PostPosted: Sat Feb 24, 2018 5:47 pm 
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Joined: Thu Nov 11, 2010 12:26 pm
Posts: 1585
Measure the stock strut dia and get a sleave kit from some where like Demontweaks and run b8 inserts and 2 1/4 springs. Job done for under £100 + cost of dampers. I wouldn't run camber plates without plating the turrets, they are also poo on the road. Most rally cars that run on rough stuff run rubber or uprated rubber top mounts. Spherical mounts are for tarmac rally and race. Some Vauxhall ones might fit, but will need a cone mount slotting on the strut. Most spherical mount dampers have longer thread.
KW dampers are poo twin tube stuff, you want inverted mono tubes and adjustable ones will cost between £1000-5000 a corner. Proflex or AST are pretty good.
I doubt the rear of the body will take a coil over unit with out strengthening from a roll cage or turrets being added. Basically that's what a og9-3 or Astra needs. You could use Escort Turrets, which is what GAZ recommend on an Astra, along with better axle mounts.


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PostPosted: Sat Feb 24, 2018 5:52 pm 
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Joined: Thu Nov 11, 2010 12:26 pm
Posts: 1585
Lesfors are pretty stiff but nowhere near stiff enough for a race track. You would probably need 300-600Lb on the front on a circuit. A Saxo will run 300Lb on the front on tarmac rallies and that's pretty light weight. At that point you need a cage as the whole car will twist with full circuit spec.


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PostPosted: Sat Feb 24, 2018 5:59 pm 
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Joined: Thu Nov 11, 2010 12:26 pm
Posts: 1585
Ignore the lesjfor comment as your 9-3ss. That's even more weight, no road spec tuning springs will be stiff enough and you will probably have to go to coil overs to get a stiff spring that will fit with a p helper spring. Basically I tried to get a spring that was stiff enough to fit the std pans on my targa rally saxo and it is physically impossible to get that rate I want, at the ride height I want, using the std pans/platforms.


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