brake related fitment questions

[scorneil]

So like eveyone else I'm looking for a brake upgrade but don't need a BBK as I'm not going beyond my current stage 1+.

So I've figured that I have few options:
1. 3.0L carriers, existing calipers
2. B6S4 or B7A4

I'd rather go with option 2, preferably with B7A4.

I run stock 5-spoke 16's with I think 43mm offset (I know, gross) in the winter. This thread http://www.audizine.com/forum/showthread.php?t=198724 which describes upgrading to B7A4 brakes indicates in post #1 that the new brakes fit those same rims (with ~10mm clearance). By that rationale can I deduce that B6S4 brakes would also fit (since they use the same caliper)? I don't understand if the carrier plays a role in fitment or not...

If I go B7A4:
My summer rims are ASA AR2 18x8 with 35mm off-set. Since there is less positive offset than the stocks (which are known to fit) can I presume they will also fit with 2mm of clearance? (these rims would need an additional 8mm (43-35) of clearance over the stocks due to the offset difference and assuming the 10mm of clearance is accurate)

Is that rationale even correct? Not sure if I'm understanding offsets correctly...

If that is correct, is 2mm too tight and how big a spacer would be recommended?

Thanks!

[scorneil]

one other thing - does this sound like it's calipers and carriers? basically $300 new from genuinevwaudiparts.com. or would that be calipers and no carriers?

http://www.genuinevwaudiparts.com/pa...07&catalogid=1

[Tgr_Clw]

B6 S4 setup will not work with your 16" wheels. Yes the calipers are the same but the S4 uses 345mm rotors whereas the A4 uses 320mm rotors. You'll need 17" wheels minimum for the S4 setup.

ASA AR2 18" wheels will not fit over the B7 A4 or B6 S4 brake setup (according to TR). The problem is their spoke/lip design. Nothing to do with the offset.

[[email protected]]

Best thing to do is find a B7A4 owner and test fit your 18s on it first

Even if you clear the caliper by just 2mm that is all you need.

[scorneil]

thanks gents, guess I'll go the cheap way and upgrade to the 3.0 carriers

PS - where did you find that info on Tirerack?

[Tgr_Clw]

PS - where did you find that info on Tirerack?

Select a B7 A4 and shop for wheels. Listed wheels work. Everything else doesn't.

Note that your 16's will clear the B7 A4 brake setup.

[scorneil]

i should have been smart enough to figure that out.

Select a B7 A4 and shop for wheels. Listed wheels work. Everything doesn't.

Note that your 16's will clear the B7 A4 brake setup.