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Join Date: Nov 2006
Location: Ontario, California
Posts: 1,141
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Help with Tire and wheel size
Hello, new to your forum and I could use a little help also, I hope this is posted in the correct forum
Currently, I'm having a 1973.5 911T restored. It's a sunroof coupe with all of the "S" options including Brakes, Koni's and anti sway bar. I'm stuck on wheel and tire size. I have the option of having Deep 6" at all 4 corners, flat 6's at all 4 corners, 7" at all 4 corners or Deep 6 front and 7 Rears. Opinions????? Anyone with sound advice will be appreciated. Next problem. Regardless of the rim sizes, what tire sizes do your recommend. For example: 205/60/15 front, 215/60/15 rears? etc etc Final problem: Which tire brand and model seems to be the best for all around street use providing the maximum grip. I don't really care about tire wear, just grip. thanks in advance Larry |
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11-21-2006, 05:53 AM
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For normal everyday use 205/60x15 all around is closest to what came oem.
you can use 6 all around or 6 front and 7 rear if you already have them.
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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11-21-2006, 02:53 PM
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Location: Ontario, California
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Bill, thanks for the reply... What seems to be the most popular tire brand and model? As I stated above, I'm looking for maximum grip and don't care about how long they last. I've heard that Yokohama AVS100 is a good tire, any comments?
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___________________________________________ 2001 Boxster S, Orient Red Current Vehicle, 1973.5 911 full factory "S" trim with a 3.2 engine **Sold**,2002 996 **Sold**,1975 911S **Sold**, 1971 911T **Sold**, 1968 912 **Sold** |
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11-21-2006, 03:34 PM
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Quote:
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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11-21-2006, 03:49 PM
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Location: North Jersey
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You say "maximum grip and don't care how long they last"? If you add, "will never (rarely) drive in rain", you can consider R-compound, DOT approved auotcross tires (Kumho or Yokohama). They grip like a gecko and will last 4000 miles on your light, low hp 911. And, you can autocross on them. I do. Kumho's street/performance tires are an inexpensive, rain-tolerant alternative. Enjoy.
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Howard '76 911S '53 Nash (!) '01 Audi TT '82 GPZ-550 |
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11-21-2006, 04:44 PM
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Thanks for the information
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___________________________________________ 2001 Boxster S, Orient Red Current Vehicle, 1973.5 911 full factory "S" trim with a 3.2 engine **Sold**,2002 996 **Sold**,1975 911S **Sold**, 1971 911T **Sold**, 1968 912 **Sold** |
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11-21-2006, 05:06 PM
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Quote:
(Edit: this is my experience with my daily driver/occasional track car, not the Porsche) The Porsche wears 205/60/15 AVSi's. Another sizing option for a bit more performance would be a 205/55/15, which will have a bit lower sidewall but not look out of place on an early car. Good Luck, Jim |
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11-21-2006, 07:45 PM
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Tree-Hugging Member
Join Date: Oct 2006
Location: Northern California
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Just to pitch in, I'm running Michelins, 205/60-15 on 6" fronts and 215/60-15 on 7" rears.
It's a '71 911 and the combination has been great. The 215s have kept the revs per mile pretty much the same as the stock 185/70-15. Personally, I like having a bit more rubber on the rear as it seems to balance the handling nicely.
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~~~~~ Politicians should be compelled to wear uniforms like NASCAR drivers, so we could identify their owners. ~~~~~ |
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11-22-2006, 03:15 AM
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Jim727
Have you noticed any tire debris or trashing of the lower rocker area's due to the tread width of the 60 series? Also, any tire rub from your front or rear tires? thanks
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___________________________________________ 2001 Boxster S, Orient Red Current Vehicle, 1973.5 911 full factory "S" trim with a 3.2 engine **Sold**,2002 996 **Sold**,1975 911S **Sold**, 1971 911T **Sold**, 1968 912 **Sold** |
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11-22-2006, 04:58 AM
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Tree-Hugging Member
Join Date: Oct 2006
Location: Northern California
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No problems at at all.
My '71 has a different trailing arm than a '73 and it's also lowered, so I have to use the 911R-style wheel which is offset to the inside plus a small spacer. Slightly stiffer torsion bars help also. For fit questions it would be good to hear from someone with the actual configuration you are considering - I don't know for sure how much clearance your trailing arm + 7" outside-offset wheel + ride height + 215/60 would have. 216/60 is max tire size for me. The rear bumpers do get stone chips, but they did with stock tires also.
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~~~~~ Politicians should be compelled to wear uniforms like NASCAR drivers, so we could identify their owners. ~~~~~ |
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11-22-2006, 10:07 AM
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1976 Porsche Carrera 3.0
1995 Porsche 993 Carrera Coupe
