Greg, do you have any idea what the proper offsets are for a 9 and 11 for a Turbo if I am thinking of running 245/305s? I'm also trying to figure out if I should get 11 or 12 inch rear wheels... Any suggestions would be greatly appreciated.

 

I borrowed a set of BBS 3 piece wheels once from Kary (Group 9 Motorsports: A Rennlist Sponsor) shod with Hoosiers of the size I believe you mention. I had no clearence problems as I recall.

Incredible turn in with the Hoosiers...too bad my 3,000 Lb + car eats these tires up!

 

Martin,
I have 265's up front and 315's out back. fit good....and no rolling fenders

 

Jauder - 12s..... I also have the proper offsets for the 9s and 12s

I run 265s essentially in the front. The only trouble if the fender liner in front. I had to take them out as they kept blowing out at high speed on the bottom and rubbing the tire on the track...

 

Or, is this from centrifugal tire growth at 340mph?

 

I saw these on a Carrera. It was running 265/35 ZR 19 at the front and 335/30 ZR 20 at the rear. Seems to also have an SUV height issue.

 

Phil or Martin, were you able to use any of those tires I passed along? I may have more coming off.

 

Not trying to hijack...... But what's the answer to the same question on a wide body . 18" wheels RS ride height & alignment.

 

18 inch widebody 9's and 11's both front and rear are a 55mm offste to be perfect. No rub anywhere. A rubbing problem many have is a rub on the inner front against the spring. That can be an issue if You have stock diameter springs, but if You have gone with any 2.25" sprung aftermarket or sprt suspension then there will be no front inner clearance with a 9.

 

Glen, how about offsets for 12 in rear?