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Looking for tire option/opinion

 
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924-76  



Joined: 05 Jun 2006
Posts: 1329
Location: Ontario, Canada

PostPosted: Wed Jan 10, 2018 3:38 am    Post subject: Looking for tire option/opinion Reply with quote

I'm starting to look for tire to put on my modified 924 turbo this summer.
I need a summer performance tire for street use and few track events.

I spotted those three so far, anyone have experience with them?
-Dunlop Direzza DZ102
-Bridgestone Potenza RE-71R
-Bridgestone Potenza S-04 Pole Position

Suggestion? Recommendation?


Thanks
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1976 924 N/A ROW SOLD
1980 931S
1981 931 Part car RIP
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CÚdric  



Joined: 27 Aug 2004
Posts: 1663
Location: Sweden

PostPosted: Wed Jan 10, 2018 4:40 am    Post subject: Reply with quote

I would definitely buy 2 sets instead, one r compound set purely for track and a less noisy/less tramlining tyre for the street.
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924-76  



Joined: 05 Jun 2006
Posts: 1329
Location: Ontario, Canada

PostPosted: Wed Jan 10, 2018 4:52 am    Post subject: Reply with quote

CÚdric wrote:
I would definitely buy 2 sets instead...

I understand that would be the best approach and I would if I was planing a lot of track days, but I'm only looking at maybe 2 short event this year.
Maybe I will get a track dedicated set in a year or 2, but for now I need something for the street that can handle the track.
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CÚdric  



Joined: 27 Aug 2004
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Location: Sweden

PostPosted: Wed Jan 10, 2018 5:04 am    Post subject: Reply with quote

Of course track ambition is a factor, at my speed most street tyres in sensible sizes melt down and gets all sloppy, which ain't no fun at all, therefore r comps or very near is the solution. Ad08R seems to have quite a following, maybe to focused? What size?
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924-76  



Joined: 05 Jun 2006
Posts: 1329
Location: Ontario, Canada

PostPosted: Wed Jan 10, 2018 5:23 am    Post subject: Reply with quote

CÚdric wrote:
What size?

Front 205/55/16
Rear 225/50/16
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Carrera RSR  



Joined: 08 Jan 2010
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Location: Somerset, UK

PostPosted: Wed Jan 10, 2018 5:25 am    Post subject: Reply with quote

I've ran Yokohama A048's, Dunlop ZZR's and no Toyo R888R's for the last 4-5yrs on road and track. As long as you know the positives as well as the limitations on road and track, there is no reason one set can't be used full time.

As I am not driving at 10/tenths on road or track they are probably a little wasted on me and the car. I also couldn't tell you which were best or worse as I haven't kept a track of the mileage covered nor timed the laps.

You pays your money, you takes your choice!
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Carrera RSR  



Joined: 08 Jan 2010
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Location: Somerset, UK

PostPosted: Wed Jan 10, 2018 5:33 am    Post subject: Reply with quote

924-76 wrote:
CÚdric wrote:
What size?

Front 205/55/16
Rear 225/50/16


On what rims? On stock arches? Those tyre sizes where fitted to my Fuchs when I bought them and did not fit without rubbing

R tyres tend to measure 10mm wider than sized so a 195 = 205mm wide

I'm running 195 50 16 on 7'' Fuchs all round and they poke out far enough for suspension and arch modifications to fit. Lots of neg camber + rear arch rolling and pushing out to get the wheel/tyre to fit under with 20mm spacer. Just rolling to get 10mm spacer.
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924-76  



Joined: 05 Jun 2006
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PostPosted: Wed Jan 10, 2018 5:40 am    Post subject: Reply with quote

Carrera RSR wrote:
On what rims? On stock arches?

86 944 turbo Fuchs rimes (7 & 8 with 23.3 offset) on my GTS replica

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CÚdric  



Joined: 27 Aug 2004
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PostPosted: Wed Jan 10, 2018 8:39 am    Post subject: Reply with quote

I just think the noise is just so awful when you run r comps on the street, and the tramlining, and the rocks they throw up on the car, stiff ride etc. But for short journeys on twisty roads they work great
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Carrera RSR  



Joined: 08 Jan 2010
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Location: Somerset, UK

PostPosted: Wed Jan 10, 2018 8:43 am    Post subject: Reply with quote

Got you!

Is the photo showing 6 front and 7 rear? I think the CGT/S looks best on 8'' front and 9'' rear


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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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924-76  



Joined: 05 Jun 2006
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Location: Ontario, Canada

PostPosted: Wed Jan 10, 2018 8:47 am    Post subject: Reply with quote

Carrera RSR wrote:
Is the photo showing 6 front and 7 rear?

No, 7 & 8. The dish is different on the 951 wheels vs the 911 wheels.
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924-76  



Joined: 05 Jun 2006
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PostPosted: Wed Jan 10, 2018 8:47 am    Post subject: Reply with quote

Also have this option: Potenza RE760 sport
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MikesCoupeGT  



Joined: 18 Oct 2006
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Location: Ontario Canada

PostPosted: Tue Jan 16, 2018 12:49 am    Post subject: Reply with quote

I have been using Dunlop Direzza on the '76 924 a really good tire. But after some research I think my next performance tire is going to be the Firestone Indy's. You can do a good comparison on the Tire Rack website.

From what I have seen the new Firestones are not only a good price but also a good performance tire all around.
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Paul  



Joined: 02 Nov 2002
Posts: 9296
Location: Southeast Wisconsin

PostPosted: Tue Jan 16, 2018 3:24 am    Post subject: Reply with quote

924-76 wrote:
Also have this option: Potenza RE760 sport


A good choice, I have them on my 01 986, bought them at Costco.
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