7 Suspension

Author
Discussion

Bahnstormer

Original Poster:

935 posts

251 months

Sunday 3rd October 2010
quotequote all
Looking for a new set of suspension to replace my current Spax shocks on the 7 , and am looking for some advice

It's a live axle (Ital) crossflow.

Any opinions on the best to go for ?

elan_fan

140 posts

192 months

Sunday 3rd October 2010
quotequote all
How about the Bilsteins for a starter

https://www.caterhamparts.co.uk/product_info.php?c...

Bahnstormer

Original Poster:

935 posts

251 months

Monday 4th October 2010
quotequote all
Nice - but surely for £411 , you could get some more adjustable units (bump / rebound etc ?)

Noger

7,117 posts

254 months

Monday 4th October 2010
quotequote all
James Whiting fitted some Leda adustable dampers to my LA 7. Made quite a difference.

pikeyboy

2,349 posts

219 months

Monday 4th October 2010
quotequote all
Bahnstormer said:
Looking for a new set of suspension to replace my current Spax shocks on the 7 , and am looking for some advice

It's a live axle (Ital) crossflow.

Any opinions on the best to go for ?
I think almost anything you buy will be better than the the spax.


Sam_68

9,939 posts

250 months

Monday 4th October 2010
quotequote all
pikeyboy said:
I think almost anything you buy will be better than the the spax.
yes This is probably about right.

But whatever you get, get them dyno'd to make sure they are consistent with each other (it costs bugger all to have done), and consider getting them valved specifically to match your springs (and check the spring lengths and poundages for consistency while you are at it - again, it costs next to nothing to have done while they're off the car).

iain a

329 posts

232 months

Tuesday 5th October 2010
quotequote all
Try the AVO kit from Freestyle.. Good value and works well.
I have Leda on mine which are also very good. Many people swear by Nitrons - for good reason.
Bilsteins are good too.
I don't think I have driven a 7 on Spax which felt good.

mickrick

3,701 posts

178 months

Tuesday 5th October 2010
quotequote all
Ohlins, or Pensk.
Nitrons look nice, but where did they come from? They seem to have apeared on the market all of a sudden. confused
For a road car, the ride height adjustable Billies take some beating.
I know they've steel bodies, and have no damping adjustments, but fit and forget. smile
You get what you pay for.

sam919

1,078 posts

201 months

Tuesday 5th October 2010
quotequote all
http://www.protechshocks.co.uk/

use them myself as well as a few others, very decent on a caterham

Bahnstormer

Original Poster:

935 posts

251 months

Tuesday 5th October 2010
quotequote all
Thanks all.

Some good comments - incidentally, the Spax on mine don't feel bad at all, and seem to be OK, but a bit corroded.

So hopefully , a new set up will transform the car - will also get the shocks set up before putting ontot the car.

I don't have any adjustment on the current shocks (except height), so I guess the fit-and-forget option might be the way to go.

Cheers.

allen l

443 posts

183 months

Tuesday 5th October 2010
quotequote all
mickrick said:
Nitrons look nice, but where did they come from? They seem to have apeared on the market all of a sudden. confused
Don't we all start from somewhere?

mickrick

3,701 posts

178 months

Tuesday 5th October 2010
quotequote all
allen l said:
mickrick said:
Nitrons look nice, but where did they come from? They seem to have apeared on the market all of a sudden. confused
Don't we all start from somewhere?
Yes, true. But I'd rather not pay for someone else's R&D. Better to buy a proven product from someone with provenence. Maybe they do? I did ask where they came from. smile

Bahnstormer

Original Poster:

935 posts

251 months

Tuesday 5th October 2010
quotequote all
Update:

Protech - about £460
Leda - £1000
Bilstein - £411
(Price is for 4 shocks inc VAT)

Haven't checked on the Nitrons , but suspect they are 'a lot !'

Don't really want to shell out major money !

Dave J

891 posts

271 months

Tuesday 5th October 2010
quotequote all
Nitrons single adjustable are circa £1100 inc

the avo dampers I found were inconsistent and I have seen several leak oil after a short mileage.

nitrons are like riding a majic carpet after the M0 or M1 billies. I found plenty more traction with the nitrons.



dj

mickrick

3,701 posts

178 months

Tuesday 5th October 2010
quotequote all
What springs are you using with them Dave?

Sam_68

9,939 posts

250 months

Tuesday 5th October 2010
quotequote all
Bahnstormer said:
...I guess the fit-and-forget option might be the way to go.
You're throwing away a mighty powerful tool for tuning of your suspension, in that case frown

Sam_68

9,939 posts

250 months

Tuesday 5th October 2010
quotequote all
mickrick said:
I'd rather not pay for someone else's R&D. Better to buy a proven product from someone with provenence.
Westfield have been offering them as an option for something like a decade.

They're a very good damper, and well proven in 'Seven' type cars; in fact they're particularly well suited to very light cars, as they have very low 'stiction' or nose force (the force needed to overcome initial resistance to movement/changes in directional movement), so you'll find they give a smoother ride and better traction than most alternatives.

mickrick

3,701 posts

178 months

Tuesday 5th October 2010
quotequote all
Been around a while then. I hadn't heard of then untill about three or four years ago. Then they seemed to be the latest fashion.

Dave J

891 posts

271 months

Wednesday 6th October 2010
quotequote all
250 / 170

but spring rates depend on what you are going to us the car for and what tyres you are running, arb choice etc etc .


Bahnstormer

Original Poster:

935 posts

251 months

Wednesday 6th October 2010
quotequote all
Hmmm.... making a choice on suspension is a bit of a minefield !

The Protechs have adjsutment and are all alloy, which the Billies aren't and they are steel.