Rear Sway Bars for B4Q's

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Old 11-10-2005, 07:57 PM
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Default Rear Sway Bars for B4Q's

What are you guys running?

Has anyone tried an S4/A4 sport RSB? How effective is it?

What about the 19mm neuspeed bar, with stock front bar?

For the 22mm one, I read an RS2 front bar is required, and some hefty wheel/tire setup.

What is effective, and what do you recommend?
Old 11-10-2005, 08:03 PM
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Default I think the non-sport B5 rear sway...

shares a part number with the B4q one. Thus, a B5 sport version would fit the B4q
Old 11-10-2005, 08:05 PM
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Default I had established that, but was wondering what kind of difference it would make.

Sorry for being unclear. Actually, I think you told me once before!

I want to nab the sport bar off my dad's A4 before he sells it, but he won't let me. The sport bars and S4 bars are 15mm, and I think stock is 13mm, IIRC.
Old 11-10-2005, 09:05 PM
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Default Stock is 12mm diam. Try to find a RS2 16mm rear or if you really like oversteer..

the Neuspeed 19mm for the B5Q rear. IIRC it is also adjustable.
Old 11-10-2005, 09:26 PM
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IMO 16mm won't make it oversteer. 22mm on Cq makes it pretty neutral, oversteer if you goof off.
Old 11-10-2005, 09:29 PM
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16mm won't make it tail happy, but does help curb a lot of the understeer tendancy
Old 11-10-2005, 09:48 PM
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Default Do the 22mm. You don't need RS2 front or hefty wheels/tires....

I have stock front bar, 22mm rear bar with custom solid endlinks. This is run with H&R sport springs and Bilstein SPs. If I adjust the tire pressures properly it's perfectly neutral at steady-state, with the ability to oversteer on lift-throttle, heavy power, or trail-braking. Not at all twitchy or dangerous, just neutral. Still understeers at very low speeds or if driven poorly. I absolutely love it.

This was done for about $20 in used parts (4000 front swaybar and brackets) and $50 in endlink parts (threaded rods, spherical rod end bearings, misc. hardware).

I don't know B4s that well, but to use the 4000 bar you'll probably have to make custom endlinks, no big deal, just something to be aware of. The 4000 connected to the control arms, not the strut tube like later cars.

Enjoy.
Old 11-11-2005, 11:52 AM
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The type 85 sway bars won't fit, as they are narrower.
Old 11-11-2005, 12:18 PM
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Narrower how? Between the mounting brackets or overall width? Anything will fit if you make it.
Old 11-12-2005, 03:44 AM
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Default Re: 16mm won't make it tail happy, but does help curb a lot of the understeer tendancy

I actually thought the Rs2 rear was quite an improvment over my stock 12mm RARB. I run stock 26mm FARB. Yes, no dount, a 20mm would have been even better.

I'd say that the B5 rear 15mm bar is a decent option. It's readily avaiable, it's cheap... It will be an improvment but, as it turned out in my case, you'll notice that a stiffer one would have been even more fun.


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