993RS Speedline sizes/offsets please?

[ubertub]

I have a narrow body 993 C4 and have 10" wide BBS splitrims for the rear. I'm not sure what the offset is but they touch the arches.
Could anyone confirm the size and offset of the original Speedlines wheels for the 993RS? I have convenient;y destroyed one rear wheel inner and thought I might as well buy two with the correct offset as a single replacement and still have the wrong ET.

By my calculation the standard 993 C4 rear wheels are 9" ET55. To have the same outer rim position in relation to the wheelarch my replacement 10" wide rims would need to have an offst of ET68mm. This obviously pushes the inner face of the wheel 1" towards the inner wing... does this sound feasible?

Thanks
mik

 

[Nick Moss]

The RS rim is 18 ET65. I have GT3 Mk1 rims on my 993 C2, which are the same 18 ET65 as the Speedlines, they fit perfectly with a slightly lower than standard ride height and 265 Toyos. I had to remove a pair of spacers that were fitted with the original 993 rims, does your car have spacers fitted?

 

[ubertub]

Thanks Nick.
No,my wheels do not have any spacers. Are your RS wheels 10" wide at rear?
mik.

 

[clubsport]

Maybeworth looking here on PH, chap with similar arch rubbing problems on a 993.
http://www.pistonheads.com/gassing/topic.asp?h=0&t=466872


Don't know where Nick has got to? but 993 RS fronts are 18 x 8 et = 52,, rear 18x10 et 65 as mentioned.

With no spacers fitted I have used 285 rears on the 10", but arches are rolled

 

[Nick Moss]

Yes, they are 10 x 18 ET65, not RS rims, GT3 MK1. I have had these rims on my 993RS as well.

 

[ubertub]

thanks gents. ET65 it is.
regards
mik