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Track tires - Width issue?

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YOUR RESEARCHTrack tires - Width issue?

Leading reported evidence

Replace current tires at some point in the next year

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Suggestion · Original poster
I'm looking to replace my current tires at some point in the next year with some more track oriented tires ( Hankook, Toyo's, , etc) I have Sport Designs wheels with 285/30 -18 and 225/40-18 Sumitomos now.
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Track tires - Width issue?

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Leading evidence: 'Replace current tires at some point in the next year' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace current tires at some point in the next year' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Run 245/285

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Suggestion
Just FYI we run 245/285 on the SP996 cars.
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Track tires - Width issue?

Run 245/40-18 and 285/35-18 if i want those tires

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Suggestion · Original poster
Looks like I will have to run 245/40-18 and 285/35-18 if I want those tires.
Original post Read captured discussion
Track tires - Width issue?

Run cuurent sizes you have

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Suggestion
You be fine running the cuurent sizes you have.
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Track tires - Width issue?

Set i'm go

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Suggestion · Original poster
I think for my first set i'm go to try the Hankook R-S3
Original post Read captured discussion
Track tires - Width issue?

Frequently discussed actions (5)

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Replace current tires at some point in the next year

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster
I'm looking to replace my current tires at some point in the next year with some more track oriented tires ( Hankook, Toyo's, , etc) I have Sport Designs wheels with 285/30 -18 and 225/40-18 Sumitomos now.
Original post Read captured discussion
Track tires - Width issue?

Run 245/285

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

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Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
Just FYI we run 245/285 on the SP996 cars.
Original post Read captured discussion
Track tires - Width issue?

Run 245/40-18 and 285/35-18 if i want those tires

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster
Looks like I will have to run 245/40-18 and 285/35-18 if I want those tires.
Original post Read captured discussion
Track tires - Width issue?

Run cuurent sizes you have

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
You be fine running the cuurent sizes you have.
Original post Read captured discussion
Track tires - Width issue?

Set i'm go

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster
I think for my first set i'm go to try the Hankook R-S3
Original post Read captured discussion
Track tires - Width issue?

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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

Rennlist: 1 discussions

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Generation: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I'm looking to replace my current tires at some point in the next year with some more track oriented tires ( Hankook, Toyo's, , etc) I have Sport Designs wheels with 285/30 -18 and 225/40-18 Sumitomos now. It seems to me that this set up is more prone to understeer then the stock 265/225 set up. I don't tknow if I can get wider tires in the front to fit( i.e. 235 or 245). So it the better set up 265/225 for the track?

POST 2Original post

I have 235 and 295's on 18 turbo twists. You be fine running the cuurent sizes you have. I really don't think you notice understeer or oversteer unless you are driving club races.

POST 3Original post

Just FYI we run 245/285 on the SP996 cars.

POST 4 / ORIGINAL POSTEROriginal post

Thanks that is good to know. I think for my first set i'm go to try the Hankook R-S3 Looks like I will have to run 245/40-18 and 285/35-18 if I want those tires.

POST 5Original post

225/285 should be fine 265 is the rear makes the rear end very loose. If you used to it then switching to 285's it'll feel like having a little more rear end grip. To you it may feel like understeer but you just arn't going fast enough yet or not trail braking. 265's and I am sideways coming into the corner and then straighten it out as I power out. Fun but slower.

POST 6Original post

235 up front is very common, and does help to get some understeer out.

POST 7 / ORIGINAL POSTEROriginal post

I was going to go as wide as 245 as suggested. But I think I will try 235/40-18 first with the 285/39-18.

POST 8Original post

Quotes source post: 9516812

The wider you can get in there is what helps these cars most. I''ve run as wide as 265's up front.....

POST 9Original post

Just make sure that your tire to suspension clearance is good with your specific wheel/tire combo. When I changed to 997 wheels I had less clearance up front and ended up having to go down to 225. Now that I've changed out the suspension I have much more clearance and could easily increase the front width. PS--This also assumes that you can mount these wider tires on your wheels. There are physical limits during the mounting process and you'll reach a limit where you get less traction for a wider tire if your wheel width isn't a good match.

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