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Discussion Starter · #1 ·
Gentlemen

I require your advice , whats the best suspension kit to fit for tarmac / trackday use ? I`m currently using standard shocks with HKS super sport springs ( lower and amp; stiffer )

I don`t use the car for every day motoring so I`m not worried about compromising its road behavour , just need to sort it out for the track as I was getting it onto 3 wheels around a few corners @ Donny last Weds.
 
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Discussion Starter · #3 ·
evo400 - Yes please , after trawling all the posts I think the DMS 50mm should be a good choice .

blade - what spring rates do you use ?

cheers
Dave
 
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Discussion Starter · #4 ·
Err, actually not sure now. THought they were 550 front, 575 rear, but looks like it is 525 front, 550 rear (according to PE's invoice).

Stiff though :D

You MAY want to consider revavling the 50mm a little so that they go, say, 25% stiffer.

You should also get a cage if you haven't got one.

Other suspension tweaks that are pretty essential to go with it:-

CUsco or HKS pillowbal top mounts
Uprated bushing (90-95 sure)
cusco front/rear uprated anti roll bars
cusco lower 4 point brace and 2 point brace
top strut braces (cusco 3 point front and rear)

The bushes are very significant - although you will see people mention that they have had minor benefit from bushes, it all changes when you move the game to this level - I have seen 2 to 3mm movement via witness marks on my bushes, such are the forces on the car.

You really need slicks or intermediates with this setup. Road tyres provide very little grip, unless you soften the whole thing off - which is good for the wet only. That means 2 sets of wheels.

Dave, you are on a trackday with me soon I think - come see the car.
 
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Discussion Starter · #5 ·
Dave,I am having the Cusco kit fitted,it is what the Japs prefer for track,and it is tarmac spec.The Drummonds are good but are designed for Rally use .The Cusco is also very well priced at £1250 which includes pillow ball mounts ,and you can get the car really low which is best for the track,I notice a lot of cars with Drummond sit high.Though I think Blade has overcome this.

Barry:)
 
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Discussion Starter · #6 ·
Different springs get it lower. There is a limit to how low you can go, particularly as I use a solid platform to mate to the pillowballs and helper springs. Note that the pillowballs don't go straight on the Drummonds, it takes a bit of work!

Differ with Barry about the Drummonds regarding being for Rally use only - this is the 50mm super street kit which is designed for Tarmac and Track. The CUSCO stuff IS very good too, no idea how they compare. Perhaps I will get to sample Barry's car at some point with them on.

Cusco stuff in general is very good.

There are other options such as Ohlins, Reiger and Proflex. All bloody expensive - Drummonds aren't cheap either!
 
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Discussion Starter · #7 ·
Thanks Blade and amp; Barry

Hopefully I will see both of you at Cadwell on the MLR day , would love to blag a ride in both cars for a comparison if thats ok :)
 
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Discussion Starter · #8 ·
will ask dms for price tonight as it is nearly monday morning in nz. will also ask about re valveing to suit your needs . ohlins recomend tarmac settings grp n 90 n/mm front 64 n/m rear .
 
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Discussion Starter · #10 ·
Mine work out around 9.8 kg/mm fr and 10.2 kg/mm rr (if they are 550 and 575). Front similar to Ohlins recommendations.

Can't understand why they soften the back... not ideal on a track car. Odd too as the rear carries alot of weight on a Group N car with the fuel cell and spare.

Mine works very well. Just wish the dampers were ever so slightly harder to remove what miniscule roll there is.

EVO400 - can you get a price on a revalved set 4 me too, I will sell these to a mate! Alternatively, can anyone revalve in the UK?

Will you get these sent over as gift?
 
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Discussion Starter · #11 ·
Blade,

In your essential suspension shopping list you mention Cusco uprated anti roll bars. There seems to be 2 choices for the rear (18mm and 23mm) - which do you recommend for mixed road and track use ? And it looks like they can be adjusted for 3 different stiffness settings!:) What governs the choice of bar and setting? any advice appreciated.

Darryl.
 
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Discussion Starter · #12 ·
The 23mm one. This has 3 different settings, all stiffer than normal.

The 18mm one has softer than normal settings! Only advisable for softening the car up, which would be on snow or something like that (not for track driving)

:D
 
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Discussion Starter · #14 ·
see chat for dms info . sureley blade ohlins no what spring rates to use and have spent 100's of hours testing under competion condistions to find that there spring rates work and win . just wonder what 50mm units you have street or nt tarmac spec if you have the street then jamie says to buy a new set of inserts because that would work out cheaper for you also then you would have a set for spare . jamie says that the 50mm units will support 1000lb springs no probs and says to get a speacialist to look at your suspension set up in greater detail . also contact ACTIVEA UK OHLINS dealers direct and ask what the reson for the spring rates are . can get very good price for you on the inserts .
 
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