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David David is online now
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Join Date: Apr 2002
Location: Houston (Clearlake), TX
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I choose 11.5 rear wheels for the 315 tires and they look just about perfect. You could even run a 12" wheel but that would be pushing the clearance a little.

I believe rear hub width is the same on all 930's and front hub width is the same for 79 and earlier with the 21mm spacer and 80 and later which doesn't use the spacer.

Since you have a 79, I'd run with the front spacers so your wheels will interchange with later brake setups and without the rear spacers since it's added weight you don't need if you have custom wheels.

I'd defer to the wheel company for what dimension they want. I listed my dimensions on the 930 wheel thread.
2014 Cayman S
2011 Cayenne Turbo
1979 930 (475 rwhp at 0.95 bar)
Old 08-25-2007, 06:14 AM
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