Suspension Upgrade Options

Suspension Upgrade Options

Author
Discussion

Simon Owen

806 posts

135 months

Wednesday 20th March
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Olivera said:
jont- said:
Having to jack the car to adjust is something of a PITA - I had a caterham previously with Nitrons where the dampers could be fitted at the bottom with adjusters at the bottom to make them easily reachable. Still...
Is that because the damping adjuster is at the top end of the strut? Manual adjustment is fine if it can be adjusted easily from either top mounts or at the bottom of the strut (reaching behind wheel when on ground), but having to jack the car up does sound like a PITA.
Yup I think so…



jont-

81 posts

90 months

Wednesday 20th March
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Olivera said:
Is that because the damping adjuster is at the top end of the strut? Manual adjustment is fine if it can be adjusted easily from either top mounts or at the bottom of the strut (reaching behind wheel when on ground), but having to jack the car up does sound like a PITA.
Yes. It's at the top of the strut and there just isn't clearance to get your hand between the wheel and top of the arch to fiddle, especially if you have a lowered ride height (but even if it was standard I don't think you'd manage it).

Olivera

7,177 posts

240 months

Wednesday 20th March
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jont- said:
Yes. It's at the top of the strut and there just isn't clearance to get your hand between the wheel and top of the arch to fiddle, especially if you have a lowered ride height (but even if it was standard I don't think you'd manage it).
Plus I guess you have to be very careful if adjusting when jacked up, as you'll have a crushed hand/arm if it somehow slipped off the jack...

five50

524 posts

187 months

Wednesday 20th March
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hmmm - interesting re the AST adjustment...

Re the comment above wrt Tractive dampers - there is quite a bit of noise about these online - they are are getting traction in the Porsche world etc.

This is a pretty narrow and maybe a slighty uninformed piece of feedback - but I know someone who recently fitted Tractives to a Lotus - apparently good on the street but he seemed surprised (and maybe a bit disappointed) about how soft they are on track.

Not sure if there is some further adjustment required etc.

Aladoro69

Original Poster:

83 posts

58 months

Thursday 21st March
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Had anybody tried the billet machined shock caps that a number of the European aftermarket companies produce?
They are meant to be more rigid and similar to the ones used on the rally and race cars
They claim they add more rigidity to the shock mounting and reduce roll

Simon Owen

806 posts

135 months

Thursday 21st March
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five50 said:
hmmm - interesting re the AST adjustment...

Re the comment above wrt Tractive dampers - there is quite a bit of noise about these online - they are are getting traction in the Porsche world etc.

This is a pretty narrow and maybe a slighty uninformed piece of feedback - but I know someone who recently fitted Tractives to a Lotus - apparently good on the street but he seemed surprised (and maybe a bit disappointed) about how soft they are on track.

Not sure if there is some further adjustment required etc.
I guess depends on design spec, you still need to decide on a spring rate don’t you and this doesn’t change, it’s only damping adjustment on the fly. I would be interested in how you would set up a road biased kit, ie with 5 settings that all work on road rather than 1 (often ‘full soft’) road and then lots of other settings that are just too firm and really only suitable for track - often the pattern with lots of sports cars with adjustable suspension. If your a heavy track user I get it but there are lots of us who primarily use road thus paying for an adjustable set up with only one setting suitable for road is not great is it ?

I will try to get some feedback.

corrieb74

10 posts

2 months

Sunday 24th March
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Simon Owen said:
I started ‘stock’ and asked Dave to put the Bilstein’s on the platform that got closest to this, which he did.

So for me only a marginal drop, ie I’m still pretty high compared to lots of cars. I like this as I can virtually ignore (within reason) bumps and crests on gnarly B roads.
Regarding adjustment after the fact, I presume that the Bilsteins have to be entirely removed from the car to have the ride-height changed?

Life110

71 posts

36 months

Monday 25th March
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Regarding the adjuster position, this is the same on all A110 coilover offerings, even the A110R standard parts. With the damper rod at the top there is no alternative.

To adjust Bilstein ride height yes you have to remove the damper entirely and disassemble.

five50

524 posts

187 months

Tuesday 23rd April
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Looks like the life110 website has just gone live for another batch of ast suspension orders - for delivery in 4-5 weeks.

Julian Thompson

2,549 posts

239 months

Tuesday 23rd April
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I’d not noticed that they were set for delivery as far forward as that - doh - placed my order last night. What a pain - need to read more carefully hehe

James Elmer

91 posts

216 months

Tuesday 23rd April
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If anyone has Bilstein dampers fitted now and is considering changing to AST, but is wondering about getting money back in their Bilstein items, then I’m happy to buy Bilsteins as that’s the next item on my list.

corrieb74

10 posts

2 months

Monday 6th May
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Quick update from me, incase it helps anyone. I had the Life110 springs, S ARBs and Fast Road Geo fitted today to my GT.
I decided against the Bilsteins as the OEM dampers are the standard Life110 package and people seem very happy with that. I did an hour drive home on a familiar route.

I could not be more delighted with the results. My main concern was that I would lose the compliant ride - if anything, it’s even better now. It has a smoothness to it - best I can describe it is less frenetic - particularly noticeable when you hit a speed bump. There’s a section of road that’s notoriously bumpy near my house and swear it rides better over it now than it used to. It’s remarkable. The steering feels sharper with more feedback. The whole thing feels planted and responsive. I should have done this the moment I bought the car.

TLDR; there’s something magic about this setup and I won’t be going back.

I’m taking it to Dijon Prenois in a couple of weeks and I’m very excited to see how it performs.

Teatowell

1,309 posts

184 months

Monday 6th May
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corrieb74 said:
Quick update from me, incase it helps anyone. I had the Life110 springs, S ARBs and Fast Road Geo fitted today to my GT.
I decided against the Bilsteins as the OEM dampers are the standard Life110 package and people seem very happy with that. I did an hour drive home on a familiar route.

I could not be more delighted with the results. My main concern was that I would lose the compliant ride - if anything, it’s even better now. It has a smoothness to it - best I can describe it is less frenetic - particularly noticeable when you hit a speed bump. There’s a section of road that’s notoriously bumpy near my house and swear it rides better over it now than it used to. It’s remarkable. The steering feels sharper with more feedback. The whole thing feels planted and responsive. I should have done this the moment I bought the car.

TLDR; there’s something magic about this setup and I won’t be going back.

I’m taking it to Dijon Prenois in a couple of weeks and I’m very excited to see how it performs.
Interesting. I’ve a legende with a broken spring at the moment so have been looking at options. I’d always ruled out the life springs and didn’t want to worsen ride quality in any way.

corrieb74

10 posts

2 months

Tuesday
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Teatowell said:
Interesting. I’ve a legende with a broken spring at the moment so have been looking at options. I’d always ruled out the life springs and didn’t want to worsen ride quality in any way.
I know, I wish I'd had the opportunity to try it first. You feel more of the road surface through the steering wheel for sure, but for me that's a plus. I always expected it to feel like a compromise and it just doesn't. I'd happily drive it 8 hours to a track in this setup.

Colin P

417 posts

144 months

Tuesday
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corrieb74 said:
I know, I wish I'd had the opportunity to try it first. You feel more of the road surface through the steering wheel for sure, but for me that's a plus. I always expected it to feel like a compromise and it just doesn't. I'd happily drive it 8 hours to a track in this setup.
That's great. I have been debating the Bilsteins for months and last week decided I'd do just the springs first then do the shocks afterwards, if I felt necessary. The springs are sat in a box next to me. Just waiting for Spires to call me back to book it in and have them fitted.

corrieb74

10 posts

2 months

Tuesday
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Colin P said:
That's great. I have been debating the Bilsteins for months and last week decided I'd do just the springs first then do the shocks afterwards, if I felt necessary. The springs are sat in a box next to me. Just waiting for Spires to call me back to book it in and have them fitted.
This was exactly my predicament and exactly what I wanted to share this info. Obviously it's subjective and what makes me happy may not make you happy. However, I think there's a trap we naturally fall into in thinking that throwing more expensive parts at a problem is always better. In this case, the shocks may be basic, but they're part of what makes the car ride the way it does.

springfan62

838 posts

77 months

Tuesday
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I found the standard dampers ok except when coming over a crest and they used to feel quite unsettled, I upgraded springs to Bilsteins and Life springs and I find it so much more predictable and balanced especially over undulating ground.


Its a shame that you can't try these things without going to the expense of fitting them and the risk of them being not to your liking.


corrieb74

10 posts

2 months

Tuesday
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springfan62 said:
I found the standard dampers ok except when coming over a crest and they used to feel quite unsettled, I upgraded springs to Bilsteins and Life springs and I find it so much more predictable and balanced especially over undulating ground.


Its a shame that you can't try these things without going to the expense of fitting them and the risk of them being not to your liking.
Well that's exactly it. My issue with the GT was how uncontrolled it felt in fast transitions - similar to what you're observing. Litchfield went the damper route, David initially went the springs/ARB route. I dare say both give you more control, but in subtly different ways. What David writes about the progressive nature of the springs on his blog is very interesting, in that it's largely about the more controlled rebound. I suspect that's what I'm feeling when I describe a "smoothness". The question remains as to how much of that predictability you experience is the springs and how much is the dampers. Most likely both.

Olivera

7,177 posts

240 months

Tuesday
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corrieb74 said:
My issue with the GT was how uncontrolled it felt in fast transitions
For a car that was praised (by some) for it's ride and handling, there ain't half a lot of owners that have in some way been dissatisfied and have changed the springs/dampers. Which indicates that Alpine got something seriously wrong with the original car.

corrieb74

10 posts

2 months

Tuesday
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Olivera said:
For a car that was praised (by some) for it's ride and handling, there ain't half a lot of owners that have in some way been dissatisfied and have changed the springs/dampers. Which indicates that Alpine got something seriously wrong with the original car.
It depends what you want the car for, right? I want a car that I can thrash round a racetrack but isn't annoying on road. Alpine cater for my needs with the S or the R. I didn't buy one of those. The GT is awesome on B-roads, but less so coming out of the top of Eau Rouge.