16 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHR spec tyres on 19's for a 997
Leading reported evidence
Use on a wet track progressing
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
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.
Performed · outcome unconfirmed · Original poster
For those following the thread - the cup 2's (used on a wet track progressing to dry by the end of the day) were good but as expected, not quite as grippy as r888r's (which is fine given different design brief).
Leading evidence: 'Use on a wet track progressing' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run around' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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
What I'd really like to do is sort out a proper tyre relationship so I'm not always chopping about & running around.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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
Have you run these (would love to get some feedback) - I don't quite know if they're a true r spec or a road tyre that can handle a bit of track work (ours will be 100% track)
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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
In the end, couldn't get any r specs in a complete set so cup 2's it is.
Use 295/30s as a couple of other forum members have
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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
I'm in same boat for tyres for the new GT3 - no 285/35 18s for the rears in a couple of brands I've been looking at, but think I will most likely go with Yoko A08Rs, and use 295/30s as a couple of other forum members have.
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
Have you run these (would love to get some feedback) - I don't quite know if they're a true r spec or a road tyre that can handle a bit of track work (ours will be 100% track)
Use 295/30s as a couple of other forum members 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
I'm in same boat for tyres for the new GT3 - no 285/35 18s for the rears in a couple of brands I've been looking at, but think I will most likely go with Yoko A08Rs, and use 295/30s as a couple of other forum members have.
Discussions that performed work without a confirmed outcome
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.
Performed · outcome unconfirmed · Original poster
For those following the thread - the cup 2's (used on a wet track progressing to dry by the end of the day) were good but as expected, not quite as grippy as r888r's (which is fine given different design brief).
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.
16 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Forum Australia: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T122219Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I'm looking for a set or two of R specs to put on our 997. Current setup is 235/35 on front and 295 30 on the rear. I've enjoyed Toyos in the past but there are apparently none in the country in 295/30 & it seems Toyo are not very interested in supplying R specs at the moment.
Option 1 - Bridgestone 71r but only available for rear in 305/30 or 285/35 (fronts no problem)
Option 2 - Pirelli Trofeo at 900ish for rear I guess...
Option 3 - sell the 19's & go to 18's (three sets of rims so I'd kind of like to avoid this) or buy a set of 18's for r specs & keep the 19's for slicks for personal fun (no shortage of slicks options).
Option 4 - save this hassle every time I want r spec tyres (seems it's getting harder each time) & just get a bunch sent over from US to suit the sizes I need (anyone gone this route)?
Would love to hear from someone who has persevered with 19's & found a way...
Edit - I've had similar problems trying to find r specs for our SC & 928 so I'm really hunting for a long term solution.
Have you run these (would love to get some feedback) - I don't quite know if they're a true r spec or a road tyre that can handle a bit of track work (ours will be 100% track)
Gavin, I think I remember hearing that Bridgestone will custom make RE71Rs in other than standard sizes????
I'm in same boat for tyres for the new GT3 - no 285/35 18s for the rears in a couple of brands I've been looking at, but think I will most likely go with Yoko A08Rs, and use 295/30s as a couple of other forum members have.
That makes sense & if I was doing any road driving I'd be straight onto the Yoko's. Given it's 100% track work it makes sense to go more in that direction. It's funny home some sizes/ratios are hard work in Australia - small market. If I end up going with the 'import a bunch' I'll put up a message & see if anyone else wants to place an order.
In the end, couldn't get any r specs in a complete set so cup 2's it is. Lots of positive reviews out there so I'm sure they'll be fit for our purpose. Will see if they are the 'road' cup 2's or the 'r' cup 2's & depending which (tyre bloke says r's but not with much certainty), will also get a set of the other, given we'll have clients out in wet days too. Will keep a set of slicks as well for personal pleasure.
That's better than Sydney if it's 19's (coming in around 1700 for the AD08R's....seems they'd be coming from interstate).
That's good to know, will keep it in mind for next time. What I'd really like to do is sort out a proper tyre relationship so I'm not always chopping about & running around. A project for this year.
Check out Demon-tweeks.com. They have the Toyo R888R and Pirelli Trofeo R available in your sizes. I purchased my Trofeo Rs for my 3.2 Carrera from them. They arrived in 2 weeks and were cheaper than when they were available in Aus. That includes freight and taxes.
Thanks for the real world experience Simon - I'd stumbled across their site & put it into the 'investigate when i need to bring them in' box. After a day with the cup2's I'm happy but will be bringing in r888r. Will bring in a set for the SC while I'm at it as it seems Toyo have given up on the local r spec market. Rather than mucking about with freight forwarding in the US it seems Demon-tweeks might be an easier option.
For those following the thread - the cup 2's (used on a wet track progressing to dry by the end of the day) were good but as expected, not quite as grippy as r888r's (which is fine given different design brief). I'll be keeping them as wet/cold day tyres.
This is a source reference. Confirm exact model applicability in the original material.
