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-   -   Csx 4000 - suspension upgrade (http://www.clubcobra.com/forums/shelby-american-inc/137180-csx-4000-suspension-upgrade.html)

OROBBE 09-07-2016 03:07 AM
Csx 4000 - suspension upgrade
 
Hello,

I own a CSX4000 since 3 years now (I was very lucky I found a rolling chassis that had been stocked during 10 years by the first owner). I installed a Pond 482FE all aluminium engine + TKO600.

The car works perfectly but factory suspensions are very bad, too soft and start leaking.

What I'd like is to replace my current suspension.

Any manufacturer/models recommandation ? I use the car on the street and on track and I absolutly want firmer suspension than I have...

Thanks,

OliveR

lovehamr 09-07-2016 05:20 AM
Kirkham billet? Are the pick-up points the same? Might want to give them a call.

http://www.carbuildindex.com/wp-cont...2014/02/35.png

OROBBE 09-07-2016 06:27 AM
No I haven't got the KK billet, just the standard from Shelby.

I don't want to modify all just want to replace the shocks.

Thanks,

OliveR

mrmustang 09-07-2016 06:46 AM
Quote:
Originally Posted by OROBBE (Post 1402726)
Hello,

I own a CSX4000 since 3 years now (I was very lucky I found a rolling chassis that had been stocked during 10 years by the first owner). I installed a Pond 482FE all aluminium engine + TKO600.

The car works perfectly but factory suspensions are very bad, too soft and start leaking.

What I'd like is to replace my current suspension.

Any manufacturer/models recommandation ? I use the car on the street and on track and I absolutly want firmer suspension than I have...

Thanks,

OliveR
What is your CSX4000 series cars chassis number?

Feel free to PM me with it if you do not want to post it out in public.

Bill S.

1ntCobra 09-07-2016 11:20 AM
Quote:
Originally Posted by mrmustang (Post 1402741)
What is your CSX4000 series cars chassis number?

Feel free to PM me with it if you do not want to post it out in public.

Bill S.
Bill,

Did you try looking above his post count? ;)

Ken

RodKnock 09-07-2016 11:44 AM
Do we know if it's a fiberglass or alloy Shelby? If it's not alloy-bodied, then it's obviously not a Kirkham chassis.

OROBBE 09-07-2016 02:25 PM
Bill my number is: CSX 4797

The body is Fiber and I confirm I have not a KK chassis.

OliveR

cycleguy55 09-07-2016 03:39 PM
Cobra Valley offers special kits that may meet your needs, including one for CSX4xxx cars: Cobra Valley's SHOCK & SPRING Suspension UPGRADE

Perhaps others who've gone this route (CSX4xxx or Superformance) can weight in on its merits.

RodKnock 09-07-2016 04:04 PM
I'll make a couple of suggestions. I'd call up either Kirkham or Nick Acton. I'm sure CSX could help you too.

Acton Custom Enterprises, Custom Metal for Cobras

Kirkham Motorsports

OROBBE 09-07-2016 11:47 PM
Quote:
Originally Posted by cycleguy55 (Post 1402790)
Cobra Valley offers special kits that may meet your needs, including one for CSX4xxx cars: Cobra Valley's SHOCK & SPRING Suspension UPGRADE

Perhaps others who've gone this route (CSX4xxx or Superformance) can weight in on its merits.
I'm in touch with CobraValley but I'd like others proposal to compare.

Thanks,

OliveR

OROBBE 09-08-2016 12:09 AM
Quote:
Originally Posted by RodKnock (Post 1402794)
I'll make a couple of suggestions. I'd call up either Kirkham or Nick Acton. I'm sure CSX could help you too.

Acton Custom Enterprises, Custom Metal for Cobras

Kirkham Motorsports
KK is not serious with prices (2995$ for 4 Penske shocks/springs) I can find better for half price). :mad:

Nick has a kit on his web site (Bilstein) but not adjustable.

If you ever have others ideas ???

Thanks,

OliveR

krausewich 09-08-2016 09:36 AM
Hi Oliver,
It would recommend playing around with your shocks first. If you have adjustable valving on them, stiffen them up a bit. I can not offer a suggestion on brand or part #, but you can accomplish a lot with a tuned set of shocks! Perhaps contact Olthoff Racing? They have been racing Superformance cars for better than 17 years or so and may be able to point you in the right direction for shock valving, if not provide a solution.

Good Luck,
Mike.

RodKnock 09-08-2016 11:41 AM
Quote:
Originally Posted by OROBBE (Post 1402837)
KK is not serious with prices (2995$ for 4 Penske shocks/springs) I can find better for half price). :mad:

Nick has a kit on his web site (Bilstein) but not adjustable.

If you ever have others ideas ???

Thanks,

OliveR
Kirkham's prices are higher than typical, but if can you find those ADJUSTABLE Penske coil over shocks for your Cobra NEW (or even used for that matter) for half price ($1,500 for 4 shocks), then buy them! That's your upgrade.

However, I call BS, unless I see proof. Show me an ad where you can get those shocks for $1,500. I might buy an extra set and put them on the shelf.

And personally, I wouldn't be bargain basement hunting for a CSX.

The folks at Cobra Automotive are top notch too. Cobra Automotive

RodKnock 09-08-2016 12:20 PM
CobraKiwi also gets high marks. See this thread about another CSX owner sorting his Cobra out:

http://www.clubcobra.com/forums/all-...ted-out-2.html

Mongoose930 09-08-2016 01:39 PM
CobraKiwi (Craig) is great to work with. He just put brand new shocks on my car. He has the correct shock length, spring rates and bushing sizes for your CSX Cobra.

You can see pictures of the shocks on this thread:

http://www.clubcobra.com/forums/scra...h-build-7.html

I would highly recommend getting in touch with Craig.

OROBBE 09-09-2016 01:22 AM
Quote:
Originally Posted by RodKnock (Post 1402892)
Kirkham's prices are higher than typical, but if can you find those ADJUSTABLE Penske coil over shocks for your Cobra NEW (or even used for that matter) for half price ($1,500 for 4 shocks), then buy them! That's your upgrade.

However, I call BS, unless I see proof. Show me an ad where you can get those shocks for $1,500. I might buy an extra set and put them on the shelf.

And personally, I wouldn't be bargain basement hunting for a CSX.

The folks at Cobra Automotive are top notch too. Cobra Automotive
What I wanted to tell is that you can find adjustable shocks/coil kit for half price of the Penske sold by KK !! There are others manufacturers that can provide equivalent or better products than Penske for half price !
If I cannot find what I want in the US I'll check here with shocks/coil manufacturers that can provide great products for correct price.

OliveR

OROBBE 09-09-2016 01:29 AM
Quote:
Originally Posted by krausewich (Post 1402878)
Hi Oliver,
It would recommend playing around with your shocks first. If you have adjustable valving on them, stiffen them up a bit. I can not offer a suggestion on brand or part #, but you can accomplish a lot with a tuned set of shocks! Perhaps contact Olthoff Racing? They have been racing Superformance cars for better than 17 years or so and may be able to point you in the right direction for shock valving, if not provide a solution.

Good Luck,
Mike.
Mike my current shocks are not adjustable and start leaking at the rear (the car has 5000 miles on it since I completed it in March 2015). That's why I absolutly want to replace the 4 shocks which are not adapted for race tracks or quick rides on the streets with curves. Thanks for the suggestion.

OliveR

mrmustang 09-09-2016 04:53 AM
Quote:
Originally Posted by OROBBE (Post 1402968)
What I wanted to tell is that you can find adjustable shocks/coil kit for half price of the Penske sold by KK !! There are others manufacturers that can provide equivalent or better products than Penske for half price !
If I cannot find what I want in the US I'll check here with shocks/coil manufacturers that can provide great products for correct price.

OliveR
You may find adjustable shocks (perhaps Koni spec) and coil overs for half price, but they will not offer you the same level of adaptability and/or ride, nor will they be the same top quality of the Penske shocks that Kirkham offers for that chassis.


Bill S

FatBoy 09-09-2016 10:20 AM
The Penske units supplied by Kirkham are bespoke for their cars. I REALLY doubt you'll find anything as good, let alone better, for any price.

Paul

RodKnock 09-09-2016 10:26 AM
Quote:
Originally Posted by OROBBE (Post 1402968)
What I wanted to tell is that you can find adjustable shocks/coil kit for half price of the Penske sold by KK !! There are others manufacturers that can provide equivalent or better products than Penske for half price !
If I cannot find what I want in the US I'll check here with shocks/coil manufacturers that can provide great products for correct price.

OliveR
As MrMustang mentions above, you can find cheaper shocks/coil-overs than Penske. There are Bilstein's, Koni's and QA1's off the top of my head, BUT they're not at the level of the adjustable Penske's.

Over the years here, I've read alot of reviews and I'd highly recommend a search here on the site. All the shocks mentioned are decent-to-good shocks, but there's a reason the Kirkham's use the Penske's. ;)

But if you want to shop the "Blue Light Special on Aisle 13" for your CSX then that's your prerogative. :)

Good luck.


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