The SC/Carrera and 964's all have the same size rear fenders. Now, some of the older cars, given their "hand made" nature, may be off a little bit. I've seen fit, comfortably, 9.5 x17's with 275's on them. I run 1/4 in spacer with my 9x16s with 245's and have at least another 1.0 inch of clearance on the inside and outside. 255's should also fit without much hassle. A 10.5 rear could work, if the body work is tweaked along with camber settings and ride height. But do you really need 285's on the back of a ~220 hp 911?
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Dave
- 1970 914-6
Past
- 2000 Boxster
- 1987 944
- 1987 924S
- 1978 911 Euro SC
- 1976 914 2.0
- 1970 914 1.7 / 2056cc
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