New UrQ 300mm Brembo Big Brake kit, fits under the 15x8 Ronals

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Old 02-06-2009, 11:02 AM
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Default New UrQ 300mm Brembo Big Brake kit, fits under the 15x8 Ronals

<center><img src="http://www.034motorsport.com/oscthumbwm/w/750/h/786/q/95/f/jpg/fltr/wmi|phpThumb/watermarks/034watermark|C|20|0/hash/f6fa736606db1424ec2fb68c28b94d80/src/images/UrQBigBrakeKit1.jpg"></center><p>
<img src="http://pictureposter.audiworld.com/55859/dscn2485.jpg"><ul><li><a href="http://www.034motorsport.com/product_info.php?products_id=18654">http://www.034motorsport.com/product_info.php?products_id=18654</a</li></ul>
Old 02-06-2009, 01:39 PM
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Umm, that would be 15X8 Ronals, right?
Old 02-06-2009, 03:18 PM
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Default This is a great setup! Do you sell the rotors separately?

I've got a similar homebrew kit. Improvement over stock or G60 is indescribable. I used to dread the heavy braking zones on track days, but now I relish the consistency and feedback. Pedal height (vs G60s) is perfect for heel-toe action.

It's a hassle for me to have 312x25 A8 rotors machined down to 300mm, so I'll certainly consider sourcing from you if they'll bolt-on for me. Can you reveal the brand? Are they plated (before or after machining)? Balanced?
Old 02-06-2009, 04:11 PM
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Indeed, fat fingers make 15's look like 16's........
Old 02-06-2009, 04:12 PM
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We machine the same rotors. We can offer them seperately for you if you need.
Old 02-08-2009, 05:07 PM
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Default Nice! have you guys had a chance to see if they fit under other common 15" wheels....

such as Fuchs or 200 20V BBS? With just G60s, wheel weights in the wrong place will rub on the Fuchs hence my curious about other wheel fitments....

thanks-

Brandon
'84 urquattro 20vt
Old 02-09-2009, 05:38 AM
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Default Definitely not under fuchs

I homebrewed the same kit Eric did, RS2 brackets machined 2mm on the strut facing side, 312x25mm A8 rotors turned down to 300mm, Boxster calipers.

Fuchs don't fit with 20mm of spacer, which is when I ran out of spacers.

15x7.5 BBS might clear with a 10mm spacer, I haven't tried it yet. They don't fit over the brakes without a spacer.

What really matters is whether the wheel steps down in ID as you get close to the spokes. The 15x8 wheel is largely flat inside until you get to the spokes, whereas the fuchs wheel steps down quite a bit before the spokes.
Old 02-09-2009, 05:56 AM
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Default Do you balance rotors after cutting them down? I had to balance mine otherwise after a while...

<center><img src="http://pictureposter.audiworld.com/54627/sq_brakes.jpg"></center><p>they would warp.
Old 02-10-2009, 03:20 AM
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Default You even have to watch balance weight location on the 15x8 R8

Neither 15x6 R8 nor Fuchs will fit. It's possible some 16" wheels will interfere as well, but 16x8 urS Fuchs fit OK.
Old 02-10-2009, 03:16 PM
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Default Re: New UrQ 300mm Brembo Big Brake kit, fits under the 15x8 Ronals

Why you using V8 rotors and cutting down 12 mm ?


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