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Registered User
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All kinds of confused about wheels and tires. 89 930
Hello.
I was wondering if you guys could help me out. Recently I got a 89 930 turbo coupe and am super confused about wheel and tire options. The car came with 16" fuchs knock-offs and a new set of tires. I would like to know where can I get different tires for the car in the future. Tire rack does not list anything besides track tires and I have no idea where to look next. Ideally I would like to get something like RE 11s. Do they make them for this size rim. I am on the look out for original fuchs. Alternatively, apparently, I can get 17" from Braid.They seem nice and are not made of Chineseum. There seems to be more tire choice there. Should I do this? Will it effect handling as there is less sidewall. Should I get them in different width. Anyways. Thank you. |
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Registered
Join Date: Oct 2008
Location: Denver, CO
Posts: 3,497
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what are your current tire sizes and models (front and back)?
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Rescuer of old cars
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The rear size is the hang up. Bridgestone was making the 245/45-16 in RE11 for a while, but has apparently stopped. The only other street tire I've seen is Michelin Pilot MXX3, which are Porsche N spec. https://www.cokertire.com/tires/michelin-sx-mxx3-n2-tires.html
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2018 718 Cayman 2.0 Priors - '72 911T coupe, '84 911 Carrera coupe, '84 944, '73 914 2.0 |
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Registered User
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Quote:
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Registered
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Quote:
"Bridgestone was making the 245/45-16 in RE11 for a while, but has apparently stopped" Tirerack is still showing these for sale. Rahl |
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Registered
Join Date: Oct 2008
Location: Denver, CO
Posts: 3,497
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As you've seen above, tire options are limited in the 245/45-16 size, but are far more plentiful in the 225/50-16 size. Your turbo likely came stock with 16x7 front wheels and 16x9 rear wheels -- older turbos ran 16x8 rear wheels with (far more readily available) 225/50-16 rear tires (16x8 wheels also work fine with the 245/45-16 size you're currently running). Since much of the added width in a 16x9 sits inside of the hub, 16x8 wheels fill out your rear fenders nearly as well as 16x9s.
So, if you're interested in good tire selection and want to stick with 16" wheels, I'd suggest considering 16x8 fuchs for the rear (and, regardless, going with 16x7 fuchs up front) |
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Eng-o-neer
Join Date: Dec 2011
Location: Los Angeles
Posts: 3,108
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"Vintage" tires are costly, and not exactly on the cutting edge, and few want to put narrower tires in the back of their 930. This is the main reason people move to 17" wheels.
There are several 17" Fuch replicas of varying quality, look, and cost. A search will turn up much: Euromeister, Rota, Braid, Zuffenhaus... For what it's worth, you can fit 11" wheels back there...I'm running 9"/11" with 245/275 tires front/rear, though I used to have 275/315 with minimal rubbing...I'm contemplating going narrower, since this car doesn't race anymore. The only time I see the limits of tire adhesion are during emergencies...though I'm loathe to give up any rubber in those times of panic. Last edited by Tremelune; 02-04-2017 at 12:03 PM.. |
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Registered
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Come over to out turbo forum - there are several wheel and tire threads there. There are many wheel choices in 17 and 18 inch sizes for the 930. Not much in 16 any more.
Check out the existing threads and see the various brands and sizes - nice eye candy if you like seeing others' 930!
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Emery 1988 930 coupe - Silver Metallic TurboKraft 3.3L 8:1 CR, SuperSC Cams, GT35R, B&B Headers, TK intercooler, Tial WG, ARP, tecGT based phased sequential EFI & ignition, Wevo shifter/coupler, ...
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Registered
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Tires
A few in the 16" are available I went with the 245 45 16 Toyo Proxes T1R and at 130 each they are affordable just had to find the local distributor and they were in hand in one day
![]() If your looking for some 17" I can hook you up on those with 225 50 and 255 40 17" ![]() no spacers and they fit like a glove |
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Dial 911
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Quote:
TOYO PROXES T1R http://www.tirerack.com/tires/types/modalbox_perfcatdefinition.jsp?perfCat=UHP 245/45ZR16 Sidewall Style: Blackwall Serv. Desc: 94W For 1989 Porsche 911 Turbo Coupe $115.42 Free Road Hazard Protection ($35.80 value. Exclusions apply.) Availability: In Stock Can be delivered Thu, 02/09 TOYO PROXES T1R
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Cheers! “Simplicity is the ultimate sophistication.” Leonardo Da Vinci Last edited by A horse with no name; 02-04-2017 at 05:25 PM.. |
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Driver
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Not exactly the answer you're looking for, but the lack of rear tire availability is exactly why many of us have "upgraded" to 17" (and sometimes 18") wheels. Or, put a 245 tire on the rear with a 50 aspect ratio, if you want to stick with 16x9 rear wheels.
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1987 Venetian Blue (looks like grey) 930 Coupe 1990 Black 964 C2 Targa |
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Registered User
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Quote:
Also I did find re11s on tyre rack. |
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Eng-o-neer
Join Date: Dec 2011
Location: Los Angeles
Posts: 3,108
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Great tool for playing around:
https://tiresize.com/comparison/ I believe the stock size for an '89 930 was 205/55 and 225/50, 16x7" up front, 16x9" in the rear. Last edited by Tremelune; 02-04-2017 at 07:17 PM.. |
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Registered
Join Date: Jan 2017
Posts: 94
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Quote:
17 wheels and tires? Sent from my iPhone using Tapatalk |
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Registered User
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Ok.
I think I found what I want. I found re 11s and will upgrade the front wheels to 8 inches wide so 225 50 16 and 245 45 16 rear. Thank you for your help everyone |
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Eng-o-neer
Join Date: Dec 2011
Location: Los Angeles
Posts: 3,108
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The RE11 in 225/50-16 should work fine on your existing 7" front rim.
https://tiresize.com/tires/Bridgestone/Potenza-RE-11-225-50R16.htm |
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