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Wheels and Tires Talk Sponsored by The Tire Rack Discuss issues related to wheels and tires

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Old 07-08-2010, 12:51 AM   #1
CamaroDreams07
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Max Tire Widths for Stock 20s?

Was wondering what the max safe width you can put on the stock 20s. The reason I'm asking is because I will probably need new tires before I can get the wheels I want, which will be 20x8.5/10 most likely. I want to go as big as I can now to be setup as well as possible when I can afford the wheels, and then of course down the road go to 275/315 for the NEXT set of tires.
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Old 07-08-2010, 12:56 AM   #2
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305s. And it just so happens that I have the rear 305 Pirelli pzero sitting in my garage that I used on my factory wheels. Have about 65-70% tread left on them. These are the same tires that come stock on a 599 ferrari. I am no longer using them as I have gotten 315s since and new wheels. If your interested I will give u a great deal on them. Pm me if you want
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Old 07-08-2010, 01:17 PM   #3
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Old 07-08-2010, 01:31 PM   #4
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Quote:
Originally Posted by aet08 View Post
11.5
11.5? Are you telling me what size wheels you have? I'm asking about tires on the stock 8 and 9 inch rims.
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Old 07-08-2010, 03:00 PM   #5
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Recommended 20" tires for 2010 Camaro
245/45-20 = 28.7" tall, 8.0-8.5 wheel
255/45-20 = 29.0" tall, 8.0-8.5 wheel
265/40-20 = 28.4" tall, 8.5-9.0 wheel
275/40-20 = 28.7" tall, 9.0-9.5 wheel
285/40-20 = 28.9" tall, 9.0-10.0 wheel
295/35-20 = 28.1" tall, 9.5-10.5 wheel
305/35-20 = 28.4" tall, 10.0-10.5 wheel
315/35-20 = 28.7" tall, 10.5-11.0 wheel

These are the recommended max widths for the stock wheels.

Saying that there's plenty of guys running 305s on the stock 9'' wheels. It's not recommended, but guys are doing it and I haven't heard of any issues.

Running 275s up front on the stock 8'' wheels is similar to running 305s out back on a 9'' wheel (1'' less wheel than recommended).
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Old 07-08-2010, 04:26 PM   #6
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Quote:
Originally Posted by SGOS252382 View Post
Recommended 20" tires for 2010 Camaro
245/45-20 = 28.7" tall, 8.0-8.5 wheel
255/45-20 = 29.0" tall, 8.0-8.5 wheel
265/40-20 = 28.4" tall, 8.5-9.0 wheel
275/40-20 = 28.7" tall, 9.0-9.5 wheel
285/40-20 = 28.9" tall, 9.0-10.0 wheel
295/35-20 = 28.1" tall, 9.5-10.5 wheel
305/35-20 = 28.4" tall, 10.0-10.5 wheel
315/35-20 = 28.7" tall, 10.5-11.0 wheel

These are the recommended max widths for the stock wheels.

Saying that there's plenty of guys running 305s on the stock 9'' wheels. It's not recommended, but guys are doing it and I haven't heard of any issues.

Running 275s up front on the stock 8'' wheels is similar to running 305s out back on a 9'' wheel (1'' less wheel than recommended).
Thanks! That's exactly what I was looking for!
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Old 07-08-2010, 04:38 PM   #7
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275/40s stock, correct?
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Old 07-08-2010, 05:02 PM   #8
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Quote:
Originally Posted by Revo1 View Post
275/40s stock, correct?
Correct.

I wouldn't go any bigger than 285 personaly. The sidewall starts to lose integrity imo.
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