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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHRoland Kussmaul Alignment on a c2
Leading reported evidence
Run same wheel spec
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Performed · outcome unconfirmed
I'm running the same wheel spec with the same tyres and 2.5 degrees neg on the front and get zero rubbing.
Leading evidence: 'Run same wheel spec' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run same wheel spec' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Are you running spacers or is that just the ET of the wheels which is pushing them out that far (does look great though!)
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Suggestion
PM me if you want his number, he's a decent guy and done set ups for all sorts of race teams - including Ken Block so cant be too bad at his craft.................
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Suggestion
PM me if you want his number, he's a decent guy and done set ups for all sorts of race teams - including Ken Block so cant be too bad at his craft.................
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8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261027T042512Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Has any got the Roland Kussmaul alignment on there c2?
I’m struggling with front tyres rubbing on arch liners front and back. Which is a bummer as just spent £500 on new liners
I’ve got it in an alignment place at min who are going to look at adjusting to stop the rubbing but has any one else has issues?
For reference I’m running
18x8.5" ET 40 235x40x18 ps5 front
18x10” ET 40 275x35x18 ps5 rear
Vehicle Height
Workshop Manual gt3
Roland Kussmaul
Front axle height
115 + 5 mm
(115 to 120 mm)
same
Rear axle height
128 + 5 mm
(128 to 133 mm)
same
Wheel Alignment
Front Axle
Toe unpressed total
+8' ± 2'
+5’
Toe difference angle at 20° lock
-1° 30' ± 30'
-1° 20’ ± 30’
Camber (with wheels straight ahead)
-1° ± 5'
-2.5° ± 5'
Max. difference, left to right
10'
5’
Caster
8° ± 30'
same
Max. difference, left to right
40'
30’
Rear Axle
Toe per wheel
+13' ± 2'
+17’ ± 2'
Max. difference, left to right
5'
same
Camber
-1° 50' ± 5'
-2.3° ± 5'
Max. difference, left to right
10'
same
Thanks
Zoom in picture and can clearly see I’m ruining lots of camber
HI Damo - might be worth looking up Joe of joeys speed shop - up here in Wakey. PM me if you want his number, he's a decent guy and done set ups for all sorts of race teams - including Ken Block so cant be too bad at his craft.................
If you've gone for the max amount of gt3 shims then I think that'll be what is causing the rubbing on the arch liners as
it pushes the ball joint out and the scrub changes.
I'm running the same wheel spec with the same tyres and 2.5 degrees neg on the front and get zero rubbing. (Standard front arms)
Ah thank you, appreciate it! It would seem we have similar tastes in that case haha although I'd love your ceramics as the brake dust really does my head in!
If you've got adjustable top mounts you'll be able to put a smaller shim in the arms and get your 2.5 degrees camber on those hopefully. I got some gt3 arms for mine but the originals were still good and we managed to get the 2.5 easily on the top mounts alone so left them for now. Hopefully it'll be the same for you!
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