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Wheel/ tire size

 
Old 08-08-2003, 03:29 PM
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ccoleymd
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Default Wheel/ tire size

What is the largest tire size (without rubbing) you would recommend for a 82 911SC with stock 7&8x16 Fuchs? Can I use wheel spacers to add a little width? What size? Or, should I buy a pair of 9x16's for the rear and use the 8x16's for the front?
Thanks.
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Old 08-08-2003, 05:08 PM
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Bill Verburg
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If you are going to keep those wheels and do not want to do extensive lip work, stick w/ 205/55 and 225/50. Much larger can fit, At the front I have used 225/50x16 on +23.3 mm 8s and currently have 235/45x17 on 8s but both will require a lot of lip shaving.

If you want a bigger 16 in the back, get some 9x16 and use 245/45x16 tires. They will fit w/o any issues. Again much larger sizes can be fitted if you are willing to do more work, I currently have 275/40x17 on 9.5s, but it wasn't easy.

By the way stock '82 SC came w/ 6 & 7, check to see what you have. The 930s from that year did come w/ 7 & 8

911 rear 8x16 have a +10.6mm o/s and will not work on the front of an SC at all.

To summarize the most painless fitment is +23/.3mm 7x16 Fuchs w/205/55 front and 9x16 +15mm o/s Fuchs rear w/ 245/45

there are 2 versions of the 7s both have the same +23.3mm o/s,
1) 911 version
2) 944 version wither will work fine at the front

there are also 2 versions odf the 8s
1) 911 has +10.6mm os and only works at the rear of an SC
2) 944 has +23.3mm o/s and can be used at the front of an SC
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Old 08-08-2003, 07:39 PM
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ccoleymd
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Post wheels

Thank you for the input. Let me be clear.
Can I use my rear wheels (I guess they are 7's instead of 8's) on the front with your recommended tire selection, and buy some 9's for the rear?
Do I have to buy these separate spacers?
Thanks.
Chris
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Old 08-08-2003, 08:38 PM
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Bill Verburg
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Can I use my rear wheels (I guess they are 7's instead of 8's) on the front
Yes!! The stock SC rear is a +23.3mm o/s, theese w/ 205/55 fit best but 225/50 can be made to work w/ some effort.



buy some 9's for the rear?
That's what I did way back when. 245/45 is best.

Do I have to buy these separate spacers?
No!!

If you have bigger Brembo brakes and the 911 7s you would need a small clearance spacer, the 944 7s are better in this regard. But for stock brakes no spacers!!
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