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A4 B5 as a track car...

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Old 10-17-2005, 06:13 PM
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Default A4 B5 as a track car...

I am considering building a track car and I wanted to know what experience others have had with the B5 platform. I have heard that the B5 is much less rigid than the B6. Is this true? Can you really feel it? Are there ways to stiffen up the chassis?
Old 10-17-2005, 06:18 PM
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B6 is more rigid than B5. B5 is lighter than B6. B5 feels better under loads (IMO)
Old 10-17-2005, 06:23 PM
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Default Who told you that?

The B5 is as rigid as anything.
Sure the B6 is a little more rigid, but why?
It weights an extra 500+lbs than the B5 chassi.
SO, take the B5 and with someone that knows, weld a roll cage. That shuld stiff it up and still be lighter than a B6.
Old 10-17-2005, 06:23 PM
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qfrog has a track car
Old 10-17-2005, 06:29 PM
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^ he addressed the issue perfectly
Old 10-17-2005, 06:34 PM
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roll cage will add a lot of rigidity
Old 10-17-2005, 06:37 PM
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Default having never tracked a completely stock b5 I dont have any basis of comparison

I like my sedan a lot... I dont feel any noticeable flex. I've got a few extra braces like 2 lower subframe braces a DTS a shock tower brace up front... a home made brace in the rear, H-sport sway bars and bilstein/vogtland sport suspension.

I dont think flex is an issue for me... another 100bhp is about the only thing really on my mind right now.
Old 10-17-2005, 06:42 PM
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drive a s2000 and you'll realize that the A4 is NOT rigid at all.
Old 10-17-2005, 06:44 PM
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rice?
Old 10-17-2005, 06:45 PM
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yup.


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