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Old 05-02-2007, 07:37 PM   #1
DerVagabund
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Default Spring Rate Master List

I'm looking for new springs and can't find rates for Apex, FK, KW, Weitec, Racing Dynamics, Spax springs, whatever else is out there. This is intended to apply to off the shelf springs, cup kits, and coilovers, not custom rates/sleeve type coilovers. So if anyone knows them, it'd be great to have all the info in one post. Feel free to add and correct as neccessary.

The List:

Spring---------------------Front(lb/in.)-------------Rear(lb/in.)

Stock 325i*-----------------------106------------------------245
Stock 325is*----------------------118------------------------265
Stock 325ix*----------------------106------------------------308
Stock M3*-------------------------114------------------------314
Stock M3--------------------------140------------------------250
Dinan Sport-----------------------172------------------------300
H&R OE Sport---------------------180------------------------380
H&R Sport-------------------------180------------------------380
H&R Sport (29664)---------------200------------------------285
H&R Race-------------------------315------------------------ 570
H&R Coilovers***----------------340------------------------380
Eibach Pro-Kit--------------------102-------------------------277
Eibach Race----------------------160-------------------------445
IE SIII----------------------------315-------------------------570 [Group Buy - $285]
Koni Coilovers-------------------342-------------------------407
Cosmo Coilovers----------------450-------------------------560
Tokico----------------------------165-------------------------265
TMS J-Stock**-------------------680------------------------1026
Alpina(est.)---------------------~200-----------------------~350
FK 60/60 cup kit-----------------379--------------------------379
Vogtland Standard***--------115/197-----------------------360
Vogtland CS***---------------137/200-----------------------400
Vogtland--------------------------225--------------------------360
Intrax-----------------------------126--------------------------250
Apex: --- ---
KW: --- ---
Spax: --- ---


*= Sourced from June, 1987 article of "Motor"
**= Alternate rates available
***= M3 Application

Others???
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Last edited by dom : 11-16-2007 at 02:11 PM.
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Old 05-02-2007, 08:23 PM   #2
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thank the lord someone has stepped up to make a master list. this will definitely help everyone figure out what they have/want.
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Old 05-02-2007, 09:02 PM   #3
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H&R race?
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Old 05-03-2007, 12:37 AM   #4
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MF STICKY
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Old 05-03-2007, 06:01 AM   #5
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my local supplier said the Eibach ProKit is

EIbach Prokit 143 274 slightly diff part number to that available in the US though

Stock 325i 106 245 from "Motor" article Jun 1987
Stock 325is 118 265 from "Motor" article Jun 1987
Stock 325ix 106 308 from "Motor" article Jun 1987
Stock M3 114 314 from "Motor" article Jun 1987
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Old 05-03-2007, 08:32 AM   #6
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Can you add Turner J-stocks to the list?
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Old 05-03-2007, 11:05 AM   #7
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Quote:
Originally Posted by digger
my local supplier said the Eibach ProKit is

143 274 slightly diff part number to that available in the US though
Updated. Good info and reference!
J-Stocks/Tokico's also added.
What's the part number on the 143f/274r Eibach kit?
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Old 05-03-2007, 12:18 PM   #8
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cosmo coilovers are 450 front 560 rear
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Old 05-03-2007, 01:34 PM   #9
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Are those the "standard" poundages for the J-stock? Seems kind of high, doesn't it?
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Old 05-03-2007, 04:16 PM   #10
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Default TMS & FK

Those are the standard numbers according to S14.net and the R3v forums.
Last Spring I spoke to TMS and they do offer custom rates from
around ~500# up. Other persons have mentioned numbers
in the vicinity of 550f/800r, thus the ** note at the bottom.

-Also updated FK 60/60 rates.
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