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#23377 - 12/07/02 05:51 PM Spring Rates Listed Here
Murder Moderator Offline
Post Master Supreme


Registered: 11/01/99
Posts: 41124
Loc: Cincinnati, OH
A special thanks to MikeK for keeping these that I posted a long time ago.

For 96-00 Civics (EJ6-8 and EM1 chassis codes)
96-00 EX - 165F/80R (P/P)
99-00 Si (EM1) - 201F/99.8R (P/P)
97, 00-01 ITR - 250F/250R (L/P)
GS-R - 200F/95R (P/P)
CTR - 240/240 (L/P)

H&R OE - 280F/190R (P/P)
Eibach ProKit - 290F/190R (P/P
H&R Sport - 330F/280R (P/P)
Eibach Sportline - 310F/275R (P/P)
Gold-line GL 2.5" drop - 320/190 (P/P)
Gold-line GPS 1.25" drop - 275/160 (P/P)
Koni RSK Suspension kit - 154-205/270 (P/L)
Neuspeed SofSports - 260F/150R (P/P)
Neuspeed Sport - 280F/180R (P/P)
Neuspeed Race - 485F/395R
Skunk Coilovers -old - 400F/300R (L/L) for civic, 500F/400R for integra
Skunk2 Coilovers - new - 500F/400r (L/L)
Spoon Full Coilovers - 300/240
Progress Coilovers - 350F/250R (P/P)
Progress Lowering Springs - 320F/200R (P/P)
Ground Control Coilover - 380F/280R (P/P) (this is the standard kit and the springs are mildly progressive).
Tein RA/RE/RS - 783F/559R (L/L)
Tein HT - 1119F/448R (L/L)
Tein HG - 365F/129-196R (L/P)
Tein SS - 448F/224R
Tein Flex - 504F/280R
Tein S. Tech - 235F/140R
Tokico Illumina Kit - 250/123 (P/P)
APEX'i WS - 447f/178r
Suspension Techniques - needed
SSR Cup - 392/280
SSR S1 - 448/448
JIC FLT-A2s - USDM - 504F/336R (L/L)
Sparco - needed

For 02+ Civic Si (EP3): ~ Very special thanks to Mike (EXavier) for these!!!
Progress - 280F/500R
Eibach Pro-Kit- 15-20% stiffer then stock
Eibach Sportlines - 20-25% stiffer then stock
Sprint - 20-25% more then stock
H&R Sport - 25-30% more then stock
Tein SS - 336F/448R
Tein Flex - 448F/559R
Tein S. Tech - 157F/291R
We are really in need of finding out what stock rates are for an EP Hatch!!!

If you've got any to add or have springs for me to test let me know and I'll put them on the compression tested and do a full plot of the springs. I'll need one front and one rear spring to test them.

P = Progressive
L = Linear
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#23378 - 12/07/02 08:20 PM Re: Spring Rates Listed Here
electronspeeder Offline
Post Master Sr


Registered: 09/15/00
Posts: 9339
Loc: Bay Area
Nice list!

It would be nice if you could specify the progressive springs and their corresponding rates.

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#23379 - 12/07/02 09:12 PM Re: Spring Rates Listed Here
Murder Moderator Offline
Post Master Supreme


Registered: 11/01/99
Posts: 41124
Loc: Cincinnati, OH
Hmmm - great point. I can put Ps next to all the progressive rate springs but I don't have the data on how progressive they are until I put the springs on the load tester.
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#23380 - 12/08/02 03:05 PM Re: Spring Rates Listed Here *DELETED*
T.O.racer Offline
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Registered: 04/20/02
Posts: 7163
Loc: Toronto
Post deleted by Hondaman
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#23381 - 12/08/02 08:10 PM Re: Spring Rates Listed Here
Murder Moderator Offline
Post Master Supreme


Registered: 11/01/99
Posts: 41124
Loc: Cincinnati, OH
Neuspeed sports are soft and I know H&R Sports are stiff and contrary to popular believe, H&R and Neuspeed do not share the safe springs if that's what you're thinking.
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#23382 - 12/08/02 10:11 PM Re: Spring Rates Listed Here
SiLooksStock Offline
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Registered: 04/17/00
Posts: 11113
Loc: Columbia, MO
Pro-kit fronts are progressive, FYI.
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#23383 - 12/09/02 08:32 PM Re: Spring Rates Listed Here
breakneckvtec Offline
Post Master Sr


Registered: 03/25/02
Posts: 3733
Loc: NJ
How bout skunk coilover springs? I think they are 400f and 300r...I think....all I know is I have them on my car and they ride rough even with yellows and when I turn the car doesnt lean at all!
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#23384 - 12/12/02 10:11 AM Re: Spring Rates Listed Here *DELETED*
Flex My DX Offline
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Registered: 06/27/01
Posts: 666
Loc: Ottawa, Canada
Post deleted by Hondaman
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#23385 - 12/13/02 08:00 AM Re: Spring Rates Listed Here
ludedaddy96 Offline
Jr Member


Registered: 07/11/00
Posts: 363
Loc: Frankfort, Ky
Does anyone have info on the new Eibach race springs or what about the H & R race springs... I can get a really good deal on some H & R race springs, but don't want to get them if the spring rates are too low...
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#23386 - 12/13/02 05:08 PM Re: Spring Rates Listed Here
ryan12321 Offline
Sr Member


Registered: 08/01/00
Posts: 1011
Loc: Athens/Duluth, GA
Rates for Skunk 2 coilovers are 400F/500R, i think the original skunkworks coilovers were 400/300 but not sure on that but I know the current ones are 400/500.

I am pretty sure off the shelf GC are 325/250 for both civic and integras.
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#23387 - 12/14/02 03:31 AM Re: Spring Rates Listed Here
clouds Offline
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Registered: 12/13/02
Posts: 158
Loc: CA
"Rates for Skunk 2 coilovers are 400F/500R"

That doesn't look right. Spring rates are always higher up front to account for heavier weight. Handling must be interesting.



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#23388 - 12/14/02 09:50 AM Re: Spring Rates Listed Here
breakneckvtec Offline
Post Master Sr


Registered: 03/25/02
Posts: 3733
Loc: NJ
Yes, I think the rates are still 400f 300r, although I heard somewhere that the new ones are 500f and 350r, I dont know what mine are, maybe I will call up skunk2 and find out and post up what I find. All I know is that with the koni yellows I can come around a corner quite fast and the car doesnt lean at all, its amazing.
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#23389 - 12/14/02 02:47 PM Re: Spring Rates Listed Here
SiLooksStock Offline
Post Master Sr


Registered: 04/17/00
Posts: 11113
Loc: Columbia, MO
In reply to:

That doesn't look right. Spring rates are always higher up front to account for heavier weight. Handling must be interesting.




No, they're not "always higher up front." A lot of people run higher rear rates for chassis balance. It's a common setup for road race cars. RealTime's ITR's use higher rear rates.
You can look right at that chart Hondaman posted and see that the stock ITR springs are 250 linear front and 250 progressive rear. So, explain to me how you know "spring rates are always higher up front."
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#23390 - 12/14/02 10:14 PM Re: Spring Rates Listed Here
Murder Moderator Offline
Post Master Supreme


Registered: 11/01/99
Posts: 41124
Loc: Cincinnati, OH
Rich - don't you know the engine weighs more so the front springs have to be higher otherwise the car will sag - duh! (this is a joke for anyone that can't see that)

Seriously, I've never seen an off-the-shelf spring setup run higher in the rear unless it's a custom order. I've heard the skunk2s are 500F/400R now but don't know for sure. I've also heard the Teg kits were 500/400 while the Civics were still 400/300. It's hard to say but if anyone does call skunk and find out they'll get a big Hondaman pat on the back .

Side note - there's a lot of us who do/have run higher rates in the rear with great results. Actually if the rear springs aren't higher in rate you're only hurting your performance.

Oh yeah - I got a new spring rate to add .


Edited by Hondaman (12/14/02 10:22 PM)
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#23391 - 12/15/02 02:09 PM Re: Spring Rates Listed Here
SiLooksStock Offline
Post Master Sr


Registered: 04/17/00
Posts: 11113
Loc: Columbia, MO
Yeah, seems like a lot of the kits run higher front rates to make it seem like the ride is smooth compared to the amount of body roll they eliminate. But body roll is your friend! It makes you look like you're going fast when you're not!
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#23392 - 12/15/02 02:31 PM Re: Spring Rates Listed Here
sarge Offline
Sr Member


Registered: 10/11/02
Posts: 1229
Loc: Okinawa, Japan
Hey Hondaman, is there anyway you can also post rebound and compression rates for stock and aftermarket shocks as well. Can you also post the recommended shock for each spring and coilover setup so that most people know what they are getting into in terms of ride and save some people buying shocks that are not compatible with some of the stiffer springs listed. Thank you.
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#23393 - 12/16/02 01:21 AM Re: Spring Rates Listed Here
cx_hatch Offline
Poster


Registered: 03/12/02
Posts: 302
Loc: Ottawa, Canada
can anyone post neuspeed and H&R race springs the rates on them?
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#23394 - 12/16/02 06:11 AM Re: Spring Rates Listed Here
Murder Moderator Offline
Post Master Supreme


Registered: 11/01/99
Posts: 41124
Loc: Cincinnati, OH
Well I will not recommend shocks to a spring because that's not how it's done.

As far as the damping plots, won't happen unless people start sending me stuff. I'll put any type of data up on this but I will not put recommendations, this post is truely a data collection tool only.
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#23395 - 12/17/02 03:27 AM Re: Spring Rates Listed Here
tFUnK Offline
Poster


Registered: 02/04/02
Posts: 205
Loc: san jose, ca
CTR 235/235 (L/L)
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#23396 - 12/17/02 06:06 AM Re: Spring Rates Listed Here
Murder Moderator Offline
Post Master Supreme


Registered: 11/01/99
Posts: 41124
Loc: Cincinnati, OH
What year CTR and are you sure they are linear in the rear? I remember a post a while ago with someone who ordered some CTR springs and I swear they were progressive in the rear (like ITRs).
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#23397 - 12/17/02 03:19 PM Re: Spring Rates Listed Here
ryan12321 Offline
Sr Member


Registered: 08/01/00
Posts: 1011
Loc: Athens/Duluth, GA
http://inlinefour.com/skuncoilsys.html

Skunk 2 400/500 listed here
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#23398 - 12/17/02 05:56 PM Re: Spring Rates Listed Here
tFUnK Offline
Poster


Registered: 02/04/02
Posts: 205
Loc: san jose, ca
mine were from a 99. i say they were linear because they looked nothing like the itr's i replaced them with, and driving on them behaves differently than itr, though i could be wrong.
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#23399 - 12/21/02 09:34 PM Re: Spring Rates Listed Here
WiZeBaNaNa Offline
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Registered: 12/11/99
Posts: 4460
Loc: All Over, California
Skunkworks Coils (old school skunk2) were for sure 400f/300r civic and 500f/400r integra...

A'PexI WS - 447f/178r
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#23401 - 12/25/02 01:45 PM Re: Spring Rates Listed Here
Beave0101 Offline
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Registered: 02/13/02
Posts: 15941
Loc: San Diego
Odd Rate Request: Sparco!
Sparco Springs for a 99 SI. The previous owner installed them on the car and didnt know sheit, and even Sparco doesnt know.
Nice Thread!

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#23402 - 01/08/03 12:30 AM Re: Spring Rates Listed Here
98civic Offline
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Registered: 12/05/02
Posts: 1911
Loc: Southern California
are the H&R OE springs the ones for the civic or the integra set up. because i've read most people get the integra set-up because it is stiffer. so is the spring rate listed the civic or the integra? another question is where may i get my hands on a set of ITR springs? acura dealership? thanks guys!
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#23403 - 01/13/03 03:07 PM Re: Spring Rates Listed Here
ucied31 Offline
Poster


Registered: 08/18/02
Posts: 212
Loc: SoCAL
the tein spring rates can be found at TEIN i think the S-tech for Civics are 240 lbs/sq. in front and 140 lbs/sq. in rear.... kinda soft?
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#23404 - 01/14/03 11:14 PM Re: Spring Rates Listed Here
IamThFEAR Offline
Jr Poster


Registered: 09/02/02
Posts: 152
Loc: Fort Worth, TX.
I'd like to know what the Spoon Progressive Springs are. I know thier sickly expensive and only lower your car 20mm

but I hear thier Spoon blue now, used to be black from pics I've seen, and still made for normal (I read stock into that)dampers.......the've got me puzzled..........who knows
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#23405 - 01/15/03 05:19 PM Re: Spring Rates Listed Here
ucied31 Offline
Poster


Registered: 08/18/02
Posts: 212
Loc: SoCAL
Quote:

can anyone post neuspeed and H&R race springs the rates on them?



just got an email from neuspeed:

"Hello,
The working rates that you requested are 485 lb/in up front and 395 lb/in in the rear. For further product information, ordering procedures, or a dealer near you, please feel free to give our sales staff a call at (800)423-3623 or (805)388-7171 or you may fax them at (805)388-0030. Thank you for your inquiry!

Stay tuned!
Danny
www.neuspeed.com "

dayam isnt that really stiff????

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#23406 - 01/18/03 06:14 PM Re: Spring Rates Listed Here
4Three Offline
Post Master Sr


Registered: 12/21/00
Posts: 5158
Loc: Markham, ON, Canada
Anyone know the rates for the Intrax ARS?
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#23407 - 01/21/03 07:44 PM Re: Spring Rates Listed Here
EXavier Offline
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Registered: 04/27/00
Posts: 5220
Loc: Pensacola, Florida
Tein - all models needed




here ya go: http://www.fizzautosports.com/suspension/tein_suspension_honda.html


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#23408 - 01/22/03 11:45 AM Re: Spring Rates Listed Here
ucied31 Offline
Poster


Registered: 08/18/02
Posts: 212
Loc: SoCAL
Quote:

Tein - all models needed




here ya go: http://www.fizzautosports.com/suspension/tein_suspension_honda.html






here ya go... just pick your product and go http://www.tein.com/products.html

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#23409 - 01/22/03 03:24 PM Re: Spring Rates Listed Here
IamThFEAR Offline
Jr Poster


Registered: 09/02/02
Posts: 152
Loc: Fort Worth, TX.
Neuspeed SofSport for 98 Civic

"The working rates that you requested are 300 lb/in up front and 190 lb/in in the rear"

Hmm, that was straight from a Neuspeed Rep...........dunno
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#23410 - 01/23/03 01:29 PM Re: Spring Rates Listed Here
igotyofire Offline
Poster


Registered: 11/17/02
Posts: 246
Can anyone find out the spring rates for the comptech sport springs for the 99-00 civic Si, they lower 1.5
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#23411 - 01/30/03 03:25 PM Re: Spring Rates Listed Here
chillax Offline
Major Member


Registered: 09/20/02
Posts: 1446
Loc: london, ontario
Can anyone find spring rates for the spoon non-adjustable dampers/spring combo. They lower your car 2.2 in front and 1.7 in rear. They retail for around $750-850.
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#23412 - 02/10/03 01:01 PM Re: Spring Rates Listed Here
MaD99HatcH Offline
Poster


Registered: 09/01/00
Posts: 312
Loc: Vancouver, B.C. Canada
Can someone find out the spring rates for KG/MM breand springs

Dual rate springs

www.kgm.co.jp


thanks
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