I haven't had a chance to contact the Holden Dealer but my new SSV G8 tyres are rubbing on the outer tyre when the road surface is uneven.
The care is lowered with 20" tyres-
FRONT- 245/30 ZR20 95W
REAR - 275/30 ZR20 97W
Does any one know what I can do to fix the problem ?
What's rubbing - the front or rears?
I have almost the identical tyre setup as you and I have no rubbing. I've also got SSL springs in the front and SSSL's in the rear.
Whats the offset?
2009 Liquid Red G8GT
4 door mafia
93 octane VMS ecm/tcm tune