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View Poll Results: What size wheels are on your 964?
16"
17.97%
17"
53.91%
18"
27.34%
Other
0.78%
Voters: 128. You may not vote on this poll

What size wheels are you running?

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Old Jan 29, 2009 | 12:48 PM
  #1  
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Default What size wheels are you running?

I bought my '93 C2 last May. It came with stock 16" wheels and inexpensive Coopers tires. I thought the tires were in good shape, except for a slow leak in one of the rears. However, before I stored the car for the winter I brought the tire in to be fixed only to find out that the previous owner had driven it with too low of air pressure, which ruined the side wall.

I'm trying to decide if I should buy new tires or use this opportunity to buy new rims/tires? My plan was to wait a couple year (the tires were in good condition) and focus on other areas of the car. However, since I need new tires anyway, I hate to buy new tires when I'll likely want to upgrade in the future.

I was thinking about looking for some used 17" Cups but wondered what size rims most people are running? I know Porsche does not recommend 18" for the 964, but it seems like there are more choices available in that size.

Any recommendation here is much appreciated. I plan on driving mostly on street but plan to do a few DT/DE events.

Thanks!

Last edited by HalV; Jan 29, 2009 at 04:14 PM. Reason: grammar
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Old Jan 29, 2009 | 12:55 PM
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I'm running Cup 1's on both cars with 7" in front and 8" in the rear.

Edit: I'm running Michelin Pilot Sports with 205x50x17 & 255x40x17. These tires are N-rated.
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Old Jan 29, 2009 | 12:57 PM
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Thanks for the reply! What size tires are you running on that combo, 225 F and 255 R?
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Old Jan 29, 2009 | 12:58 PM
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Well, I have the factory 17" Cups & sometimes run the 18" Speedlines...
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Old Jan 29, 2009 | 01:03 PM
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Originally Posted by Slantnose!
Well, I have the factory 17" Cups & sometimes run the 18" Speedlines...
I knew there'd be someone like you but I wasn't sure how to add it to the poll question. Are there situations where you use one wheel size over the other?
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Old Jan 29, 2009 | 01:04 PM
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17 inch cup1 205, 255, seem fine to me, though I am going quite low and will add spacers to suit.

Lets face it Cup 1 is the only 17 inch way to go..
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Old Jan 29, 2009 | 01:44 PM
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17 Cup 1 replicas 7.5" front, 9" rear with 225 and 255s. No spacers, no rubbing, no issues.

Lets face it Cup 1 is the only 17 inch way to go
Absolutely agree with this but will add the Replicas are the way to go.
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Old Jan 29, 2009 | 01:48 PM
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Originally Posted by Geoffrey
17 Cup 1 replicas 7.5" front, 9" rear with 225 and 255s. No spacers, no rubbing, no issues.

Absolutely agree with this but will add the Replicas are the way to go.
I only agree half way. 8" OEM Cup I's in the front, 9" replicas in the rear
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Old Jan 29, 2009 | 01:51 PM
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Geoffrey, It looks like you are running 18" BBS LM's.?
I thought the originals were the wheel of choice for track use, not the replicas!?
Dwane
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Old Jan 29, 2009 | 02:03 PM
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I run Cup I's 7 & 9's for street and AX, looking for a set of 8's and 18" fikse's for track. Occasionally I will throw the spare set of speedlines on for fun but boy do they feel heavy compared to the fikse's.
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Old Jan 29, 2009 | 02:08 PM
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17" 993 Targa wheels with Goodyear F1 GS-D3; 225 (+5mm spacer) on front, and 255 rear
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Old Jan 29, 2009 | 02:25 PM
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I have a set of 18" MY02 five-spoke wheels for the street (MPS's)
and
I have 2 sets of 17" Boxster twist wheels for the track (MPSC's for dry and MPS's for wet) but
I am going to swap for Hoosier wets once the MPS's wear out.

Marc
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Old Jan 29, 2009 | 02:25 PM
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16" Cup 1's for DE track use, and 17" Cup 1's for the street. (and a set of 16" D90's just in case)
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Old Jan 29, 2009 | 02:57 PM
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I use Cup 1 17 inches wheels (front originals, rear 9 inches replicas) using Yokohamas Advan Sport (front 205 rear 255)
Planning of upgrading the fronts using the now repaired OEM rears with wider tires
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Old Jan 29, 2009 | 02:59 PM
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Dwane, My street car runs the 17" replicas. My race car uses the BBS 3 piece magnesium wheels in 18x10 and 18x12". Yes, I would not run any other wheel than a BBS on a race car.
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