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Old 05-08-2000, 03:12 AM   #1
PaulN
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Join Date: Nov 1999
Location: Sussex, UK
Vehicle:
1994 Legacy GTB
Green

Post Coilovers on a Legacy Wagon

Hi

I've been trying to get hold of uprated springs for my GTB and I can't get hold of any over here in the UK so I have decide to convert my Bilstein struts to 2.25in Coilovers.

Problem is what spring rates and lengths should I use - I am considering 275/225 f/r lbin and 10.5" lengths

Has anyone got any experience of rates for Legacies

Thanks

Paul

[This message has been edited by PaulN (edited May 08, 2000).]
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Old 05-08-2000, 05:32 AM   #2
Automorph
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Paul anyword on parts??? Will you be selling that suspension??? Thanks
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Old 05-08-2000, 06:02 PM   #3
slide
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Call a company called fighter R or tien or even endless. They all produce coil overs. So does ground control in Sacramento California. you can ask what rates they use for a comparison and ground control even has sleeve kits already.
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Old 05-09-2000, 10:21 PM   #4
BG5
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Prova has a tuned upgrade set for GT-B Bilstein's at 220F/200R, 275/225 sounds about right if really stiff , dunno how it translates to coilovers tho...
(5Zigen has a rock hard kit at over 300 f&r. tho )
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Old 05-17-2000, 12:46 AM   #5
PaulN
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1994 Legacy GTB
Green

Talking

My coilover conversion kit arrives today

It consists of threaded tubes that I will have to weld to the existing struts (Bilsteins) after removing the inserts and grinding off the existing spring platforms, new platforms and upper spring holders.

I settled for 250/200 f/r springs in 12" lengths. In theory the height will be adjustable over 6" after fitting - I have also ordered a front strutbrace (considering the rear)

I will fit this lot over the weekend and let you all know how it goes

Paul
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Old 05-17-2000, 10:28 AM   #6
Force[FED]
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Thumbs up

I don't know how those rates translate honestly, but I do know a friend with an Eclipse GSX using Ground-Control coilovers runs 475 front and 325 in the rear. Sounds a lot higher than 250/200. This was with 8" springs.

Let us know how it all works out. I doubt the setup on your GT-B would work on the US Legacy's? Can someone tell me if I am wrong?

Kevin
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Old 05-17-2000, 03:04 PM   #7
Jay_UK
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Paul...

What size of springs are/were you after ?

I would say 12" is a bit long... even if you have 6" of travel..especially for those rates.

275/225 are fitted to imprezas as upgrades by a few companies..... depending on your driving I find them a little weak.. but fine for fast road use. A few companies fit progressive springs to get the best of both worlds.

I would have thought the GT-B would be similar to the scoob... a lot comes down to the dampening/rebound.. that you will have fixed.

What ARB have you got ? standard ?

Where are u getting your coil over kit from ?

J.

ps - mail me offline if you wish
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Old 05-18-2000, 12:13 AM   #8
PaulN
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Green

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Jay

I'm rather new to coilovers so it was all guesswork really

I based the spring rates on the tein uprated springs for the GTB, they are progressive but at maximum rate are about the same as 250/200 - I've also heard that 275/225 can be very harsh - and I was worried that anything much higher than what Tein were using might be too much for the standard Bilsteins

I chose 12" because the staic height of the spring loaded would be 8.5", would be coilbound at about 4", leaving 4.5" of compression, but also another 3.5" of extension before dislocation which sounded about right to me

I'm quite prepared to be shown to be completely wrong on this (at least the springs are cheap, and I can change them quite easily)

It will be almost all for fast road work - I travel 100miles a day to work on lanes, so i need it comfortable but with decent handling.

I'm on standard ARBs at the moment - the reason I'm changing the springs first is that the previous owner had cut the springs which I don't like and wanted to replace

I bought the kit from Demon Tweeks and the springs are Faulkner and the conversion kits are from TAS

Thanks for the help

Paul
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Old 05-22-2000, 12:35 AM   #9
PaulN
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Green

Talking

They are fitted!!!!!!!!!

They work superbly and weren't to0 difficult to fit

The car now seems more stable, the steering is much sharper and i am definetly carrying far more speed through the bends

The rear struts have a much longer travel than the fronts and so I will need to get some helper springs before lowering it much more - currently running higher than before!

Pictures and instructions up on the website

http://www.nebbs.com - goto Legacy => modifications => suspension

Paul



[This message has been edited by PaulN (edited May 22, 2000).]
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Old 05-22-2000, 01:11 AM   #10
Jay_UK
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Cool

Paul,

Dont start giving them ideas..

J.
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Old 05-22-2000, 08:04 PM   #11
tahrndt
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Paul, wow. What a great looking / modified car you own. CAN ANYONE FROM SOA HERE ME? YOU NEED TO SELL THIS CAR IN THE STATES!!! The U.S. spec Leg. GT is NO GT compared to this beauty. Paul good luck!
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Old 05-31-2000, 11:23 AM   #12
PaulN
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1994 Legacy GTB
Green

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An update on the coilovers

I've now fitted helper springs to the main springs - these are flat section springs with a rating of 40/30 lb/in f/r.

These mean I can lower the car further, and the handlings is now superb, fairly flat, very progressive and very fast - I feel that maybe I should have gone a bit firmer - I may change the fronts to 10.5", 300 lbs/in and move the 12" 250lbs/in springs to the rear.

Only problem is the noise - there is an embarassing amount of squeeking and groaning from the suspension (and the passengers )

I think this maybe reduced slightly by fitting the helper springs under the mains instead of on top as at the moment, and I am thinking of buying a sheet of thin rubber and cutting it to fit between the upper spring seat and the spring?

Any one else got any ideas or do I just have to live with the noise
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Old 05-31-2000, 11:58 AM   #13
BG5
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Paul,

good to hear that your coilovers are producing excellent results. Depending on what's creating the noise I'd try using electrical spiral wrap (Tandy?) on any coils which go dead or rub. If it's between the springs rubber is about the only way I can think of. If it's rubbing against the perches
try some grease, teflon wrap or rubber.

On your spring selection, did you ever try measuring the rates on your (cut) stock springs? I'm thinking of going to a GT-B suspension setup on my non GT-B.

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Old 05-31-2000, 06:10 PM   #14
BG5
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Paul,

could you clarify what an "ARB" is?

Thanks
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Old 06-01-2000, 12:06 AM   #15
PaulN
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1994 Legacy GTB
Green

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BG5

Thanks for the ideas

I don't know what the spring rates were, the springs had been cut and were progressive, I don't know if it was the higher or lower rate that had been cut - Tein do direct replacements for the GT-B springs, I'll look up their rates later, they have 2 models softand medium, I imagine the soft is pretty similar to standard, but lowered.

The GTB also has the thicker ARBs od the outback.

Paul
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Old 06-01-2000, 02:44 AM   #16
PaulN
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1994 Legacy GTB
Green

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Sorry, - ARB - Antiroll Bar or Sway bar

Paul
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Old 09-28-2001, 09:18 PM   #17
legaliztik2001
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i know this post is kinda old ....

BUT ...

Paul,

did u still have your old suspension from you GTB? if so, would you be willing to part with it? !!!!
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