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Old 05-15-2000, 02:39 PM   #1
Don Grubbs
Scooby Newbie
Member#: 1373
Join Date: Apr 2000
Location: Covington, GA USA
Cool Rear Swaybar

How much difference is there between the 18mm and 20mm sway bars? Also, I've seen some large price differences between brands. Is there anything to this?
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Old 05-15-2000, 03:41 PM   #2
Scooby Newbie
Member#: 1267
Join Date: Apr 2000
Location: Charlotte, NC USA

That depends; I had a 1998MY Impreza OBS and an 18mm bar, when I bought the 2000MY 2.5RS I moved it over. It didn't work as well on the RS (probably the limited slip). I have since added STi V6 springs and AGX shocks. Now the bar is totally inadequate. I'm moving to a Cusco 21mm. I all depends on the suspension setup.
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Old 05-15-2000, 04:07 PM   #3
Tim Prudence
Scooby Specialist
Member#: 216
Join Date: Aug 1999
Location: san diego, ca USA

Larger diameter bar = more oversteer (less understeer)

The brands are unimportant, the size can only be compared within the same brand. Because a 21mm bar from one manufacturer could be less stiff than a 20mm from another one.
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Old 05-15-2000, 04:14 PM   #4
STi Sev
Scooby Specialist
Member#: 2876
Join Date: Nov 2000
Location: South San Francisco, CA.
99 Impreza
Rally Blue Pearl


I'd recommend the CUSCO 20mm.
small noticable difference than the 18mm

MASSIVE noticable different from 13mmm
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Old 05-15-2000, 04:20 PM   #5
Don Grubbs
Scooby Newbie
Member#: 1373
Join Date: Apr 2000
Location: Covington, GA USA

I was asking about difference in brands because I saw that JC Sports has one for $109. Seems pretty cheap.
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Old 05-15-2000, 04:30 PM   #6
Scooby Newbie
Member#: 104
Join Date: Jul 1999
Chapter/Region: BAIC
Location: Pleasanton, Ca
2009 WRX Wagon


I would advise that you do not order from JC Sports, unless you are local to them. Do a search, and you will find many long flaming posts about them.

Stick with what works:
Teague's Auto
SPD Tuning
Just about everyone else besides JC

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Old 05-15-2000, 04:37 PM   #7
Scooby Specialist
Member#: 759
Join Date: Jan 2000
Chapter/Region: NESIC
Location: Warwick, RI
2004 WRX
2000 SV650


I got a 21mm Cusco and just got it in last Sat, and boy is it sweet! Even with stock tires and street tire pressures I feel the car is just about neutral when pushed. I am sure it would feel great at an autocross with more pressure, I want to try it out! If you go with any of the Cusco bars I'd say go with Teagues. I have ordered a bunch from them lately and you can't beat the service...quick, friendly and always willing to help. Last thing, if you get a bar from somewhere else, make sure it comes with bushings! I got screwed over and didnt get any, so I had to go to the shop at work and drill out the stock rubber ones. It ended up being ok, but not optimal...at least it all fits nicely .
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Old 05-15-2000, 05:03 PM   #8
Scooby Newbie
Member#: 707
Join Date: Jan 2000
Location: cottage grove, mn, usa
99 Legacy GT
Quick silver


just get the adjustable one, then as you upgrade your car you can change the settings, and if you like more more oversteer you can set in like that. i got mine from www.mofugas.com good service and price... oh yeah and try doing a search on your topic, you will alway be amazed how much info there is already archived. it is humorous how many people ask the same ?'s over and over again...
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