Post #101
So in buying these you could almost negate the need for bigger torsion bars? 
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Just Drive It
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| Author | Subject: Wayne, don't look, shiny things. |
 rallyestyle
Seasoned Pro  Location: London Registered: 23 Jul 2003 Posts: 14,990 Status: Offline |
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 Posted 11th Sep 2009 at 05:03
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #102
Well, you get the effect of going up just over 1mm on the torsion bars, as I said, great if you're only lowering the car 30-40mm  Edit - the later tweak to get more adjustment from the nitrogen pressure will be a free retrofit upgrade for these dampers anyway, if you want it, it's just some higher temperature seals I'm having made for the reservoirs. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 11th Sep 2009 at 05:13
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allanallen
Seasoned Pro  Location: Buxton Registered: 01 May 2007 Posts: 1,399 Status: Offline |
Post #103
Clear as dish water phil  Basically spring rate is adjustable......... But only you can adjust it  ________________________________________ www.bridgecraftmotorsport.co.uk |
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Posted 11th Sep 2009 at 05:14
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #104
Pretty much - you can fine tweak it with the gas pressure if you like, but mainly it'll just let you get the rear ride height spot on more than anything.When I get the new seals made up, you should be able to get 30lbs/inch from the gas pressure at it's highest, if you want it, but be aware that adjusting gas pressure on a damper changes other characteristics of the damper - I can advise on the best compromise for each specific application for that anyway. Basically, it's like the shim stacks - can you adjust them? Yes. Does it change the way the damper works? Yes. Do I recommend you do it yourself without some advice? Errr.... It's easier just to have the spring mech. changed for spring rate changes, but like I say, if you want advice on a gas pressure change, just shout. If I've confused anyone - look, shiny dampers, tell me what rate you want and I'll set it! ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 11th Sep 2009 at 06:01
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rallyestyle
Seasoned Pro Location: London Registered: 23 Jul 2003 Posts: 14,990 Status: Offline |
Post #105
phillipm wrote: If I've confused anyone - look, shiny dampers, tell me what rate you want and I'll set it!  I think i will play safe, sort the front out how i want it and then get you to sort the rears out to match that  ________________________________________ Just Drive It |
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Posted 11th Sep 2009 at 14:02
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #106
Well, if you spec. the spring rate assist (you don't have to have it), then basically the assist levels are are 15lb/inch, 25lb/inchor 50lb/inch. Then, if you like, you can fine tune the rate with the gas pressure up or down by ~10lb/inch. edit: Spring rates updated. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 16th Sep 2009 at 23:52
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pete_rallye
Seasoned Pro  Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #107
Can you make it so the standard torsion bars work to a point, then the spring rate assist takes over, kind of like a progressive spring? Bit softer for the start of the travel, getting firmer the more travel you have? Or would you end up with a soft spring rate turning immediatey to a 'hard' spring rate, followed by severe oversteer into a wall?________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 16th Sep 2009 at 23:43
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #108
It'd require some parts making, and it's doable, but I'd be concerned about getting it to come in accuratly as there would be no preload on the system in the 'soft' bit which would normally take out any slack.  edit again: Think it's possible, but the extra parts would be about ~ ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 17th Sep 2009 at 01:10
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puglover
Banned! Location: Far out there Registered: 08 Jun 2006 Posts: 6,095 Status: Offline |
Post #109
thats kinda what i was thinking but more use the air springs on a preload and progress into fat torsion bars so its softish and taken care off with small bumps but anything big like taking a corner is nicely firmed up. |
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Posted 17th Sep 2009 at 01:17
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #110
Yours should to some extent because of how low it is on the torsion bars.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 17th Sep 2009 at 01:17
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puglover
Banned! Location: Far out there Registered: 08 Jun 2006 Posts: 6,095 Status: Offline |
Post #111
so when do you want some money off me then |
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Posted 17th Sep 2009 at 01:45
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #112
When I've finished building them back up Just waiting on the Nitrogen bottle @ the workshops getting refilled at the weekend and they should be ready to go. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 17th Sep 2009 at 01:47
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #113
Picture of the standard length ones, with shorter body + shaft. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 7th Oct 2009 at 07:21
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