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Old 01-30-2003, 12:40 AM   #1
ciper
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Default Spring diameters, how about a single resource

Id like to compile a list of all the different spring diameters used. This would help when people have qestions of part interchanges.

I know many of you upgraded and have stock parts laying around. Help your fellow club members out

Make sure you check the upper and lower diameter and note the year of the vehicle (subaru has made in model changes before).

If a source already exists like this I wasnt aware. I know some of the data can be found in the forums so Ill start looking around to see if I can find it,
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Old 01-30-2003, 02:20 PM   #2
ciper
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Wow, great response guys

Anyways 92-94 AWD legacy have

Front spring 6 5/8 inch diameter on one side and 6 1/8 diameter on the other

Rear has 6 3/4 diameter on both sides.

The 89-91 AWD worldwide models have the same front and rears

The 89-91 AWD US models have same fronts BUT 5 3/4 upper diameter 6 3/4 lower diameter rears.



I know that the lower diameter for the springs hasnt change from at least 90-99 on all models of Impreza/Legacy/Forrester but upper diameters may have.

Last edited by ciper; 01-30-2003 at 02:43 PM.
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Old 01-30-2003, 07:39 PM   #3
Draken
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Simply having the outside diameter of the spring isn't very useful, unless you can also include the free length, number of active coils, wire diameter. This will let you calculate the spring rate.

With this information, you could then decide what springs would be a good upgrade for a certain car. for example:

Model 1 has springs that are 10 inches long (free length) and a rate of 150 lbs/in.
Model 2 has springs that are 9 inches long (free length) and a rate of 170 lbs/in.

A person could then calculate how Model 2 springs would change the ride height of their Model 1 car.

Just a thought.

Chris H.
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Old 01-30-2003, 07:46 PM   #4
ciper
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My point is not intended for spring interchanges but rather the application of items like struts and strut tops. Spring rates and uncompressed height is data that can be provided by the manufacturer of the aftermarket items you would use in the "kit."
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Old 01-30-2003, 09:51 PM   #5
ciper
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Okay, when does this become apart of the sticky FAQ and Threads of Note- Read me first! ?!

TADA! The numbers you see are example whiteline part numbers that have the correct weight from http://www.whiteline.com.au/docs/cat..._ED3a_full.PDF

rear 93-00 impreza -------------------- 80067a top=125mm bottom=141mm

Rear 93-00 Impreza, longer spr--------- 70384 top=125mm bottom=141mm
Seems that some cars have different rear mounts and hardware so they need the second longer spring to prevent sagging.


rear 89-94 legacy bc-T bf-NA-T ------- 70369 top=125mm bottom=141mm
Above is the normal spring

rear 89-94 legacy BC-NA--------------- 70368 top=95mm bottom=138mm
This spring is the weirdo, it seems that in the US MANY 4wd wagons and sedans got this spring.


rear 95-99 legacy BD sedan------------ 70381 top=134mm bottom=134mm

Rear 95-99 Legacy BG wagon ---------- 70385 top=134mm bottom=134mm


Rear 99+ Legacy BE sedan ------------- 73172 top=78mm bottom=82mm

Rear 99+ Legacy BH Wagon ------------ 73171 top=78mm bottom=82mm

Rear 00+ Impreza GD Sedan ----------- 83158 top=130mm bottom=130mm

Rear 00+ Impreza GH Wagon ----------- 83162 top=130mm bottom=130mm

Rear 00+ Outback --------------------- 73171 top=78mm bottom=82mm

Fronts:

Front 99+ Legacy BE BH (check) -------- 73170 top=124mm bottom=148mm

Front 89-00 Legacy ALL (99+ check) ---- 70198 top=146mm bottom=146mm

Front 93+ Impreza (all models) ---------- 80066 top=125mm bottom=148mm
Impreza, use the SAME spring from 93+ including WRX.

Front 00+ Outback --------------------- 70366 top=125mm bottom=146mm


edit: Basically if you look at it many parts like struts and strut tops can be intermingled to create a KIT for your vehicle of choice.

edit2: The bolt pattern for strut tops are the same for the different models. HOWEVER some of the parts between the spring and the body are different. A few models use a single part top in the rear while others use a 3 and even 4 part spring seat. You may end up with the right springs but different heights than expected.

Last edited by ciper; 02-25-2003 at 03:24 PM.
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Old 06-09-2003, 08:24 PM   #6
ciper
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Looks like 04 WRX springs changed, so 02-03 WRX springs are a different size.

However 02-03 top hats will fit an 04 vehicle

http://forums.nasioc.com/forums/show...hreadid=372536
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Old 04-21-2005, 01:35 PM   #7
NastyHabits
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Default Spring Rate Info

Here's a much more complete chart:
RavensBlade Spring Rate Chart
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Old 09-07-2005, 12:42 PM   #8
turboICE
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Any information on the black STi Ver.9 Spec C springs? Are they the same ones listed in RavenBlade which is equivalent to USDM STi?
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Old 09-07-2005, 06:15 PM   #9
davis10
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do all these springs fit on regular struts or do you need coilovers (sry for the noob question)
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Old 06-15-2006, 10:30 PM   #10
dome24
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i bought 05 STI coils to put on my 97 ImpBriton with 99 legacy struts, will they work or not? the struts work right now with teh 97 coils but the 97's are shot
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Old 06-25-2006, 09:05 PM   #11
Roy
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Please refer to my post on "05 WRX Springs Fit A 98 L Coupe".
Thanks,
Roy

Last edited by Roy; 06-25-2006 at 09:08 PM. Reason: Corrected year for WRX from 04 to 05.
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Old 10-07-2007, 03:02 PM   #12
soobiedoo55
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heres a noob question for you all... will a 2007 wrx Tein S-Tech kit fit a 2007 2.5i? Im looking at a kit on ebay right now and I cant get a response from the seller so Im asking you guys. Thanks.
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Old 10-08-2007, 07:27 PM   #13
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yes, however your struts will wear quickly as a 2.5i has softer dampening than the wrx and sti.
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Old 07-08-2011, 08:37 AM   #14
Firebird2
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Default 2010 WRX Spring Rates

Hi guys, can someone advise what the spring rates are on a 2010 WRX.

Cheers
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Old 07-08-2011, 01:52 PM   #15
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Old 07-08-2011, 06:49 PM   #16
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Thanks
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