10 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHMixed Tyres
Leading reported evidence
Install identical wheels
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
Depending on time factor, the dealer may claim they fitted all identical wheels and that they may suggest you have changed them...
Leading evidence: 'Install identical wheels' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'some tyres go better' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check are modifications, brakes and tyres' (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.
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
I ran D01J's rear & DZ02G's front last year on the 3.2 CS - same make I know, but different patterns & compouns & this worked a treat.
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some tyres go better
Suggestion or failed attempt
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
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Reported fixes
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 suspect a cause
1
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Suggestion
If your insurance company are trying to wriggle then the first place they would check are modifications, brakes and tyres.
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.
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Suggestion
Andy as usual is wittering about his track exploits using a mix recommended by Dunlop Motorsport....[
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.
10 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Club GB: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 1 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T020439Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hi all, When i bought my '02 facelift C2 i got the dealer to fit 2 new tyres as the rears were nearly shot. I washed the car at the weekend and noticed that the fronts were actually different to the rears. I must say that i have always thought the handling seemed to track a bit. Would this be down to Pirelli's on the front and Conti's on the rear? cheers, Ian
Conventional wisdom says don't mix & that's advice I have always followed, but Richard Bernau runs his 3.2 Carrera on track with (I think) Dunlop formula R's on the front & MPSC's on the rear due to the difficulty in finding one make of track tyre in the optimum sizes. Doesn't stop him going very well.
As far as insurance is concerned Tim could well have a point, but if all 4 tryes are legal???
What if you get a blow out & have to replace a tyre straight away? You may well not be able to match makes. Would it be reasonable for insurers to insist you discard a pair of otherwise perfectly legal tyres just to match?
I suspect some tyres go better with others. In a 911 a slightly harder rear, than front works well. I ran D01J's rear & DZ02G's front last year on the 3.2 CS - same make I know, but different patterns & compouns & this worked a treat.
Dont you guys ever read your manuals???[
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Along with the usual obvious common sense stuff, underlined in mine in the section entitled Replacing Tyres, is the following statement...
"Basically only tyres with of the same make and with the same specification number can be fitted"
Someone will be on shortly to say that Manufacturer X said it is ok to mix N2's with N3's or whatever so I will caveat the above because the manual also says find out from your OPC about the current authorisation status.
Then there are the Pirelli plethora of 'systems' which are designed to complement one another but at least they have Porsche's blessing.
They go on to say that if you fit a new set to only one axle it could cause a marked change to the previous driving behaviour.
If you choose to ignore all this do it with some sound advice from the manufacturer or known expert first. I would suggest you 'adapt your driving style' until they are worn out and you can change them to single make.
If your insurance company are trying to wriggle then the first place they would check are modifications, brakes and tyres. "Were your tyres fitted in accordance with the manufacturers recommendations like wot it says in your handbook Mr Punter???"
Andy as usual is wittering about his track exploits using a mix recommended by Dunlop Motorsport....[
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Your right about the actual legalities though.... it is not illegal to run tyres that are clearly within the law. The space saver is an obvious example but Porsche recommend a fairly slow top whack. I'm talking about insurance companies...
If you got the car recently then I suggest you go back and tell them to get you all identical brand N-rated tyres. If they refuse or state that this is normal then get this in writing and tell them you will take this matter with Porsche UK or AG for a second opinion and take further action if necessary. I am sure they will change them for you.
Depending on time factor, the dealer may claim they fitted all identical wheels and that they may suggest you have changed them... good luck
surely if you have diff tyres on the rears to the fronts then what happens on a rainy or slippery day?
your fronts might be directional tyres and very good at dealing with getting rid of the water. your rears might be a superb dry weather tyre but have a diff way of dealing with water.
bearing in mind the rear balance on the 911 then that last thing you need is inconsistency across grip and traction!
you never know what might happen!
just my 2c.
also if you have an OPC warranty then it will invalidate this too I have been told.
What THX911 says - go back and get them to put the right ones on. Quote the manual at them.
It's possible it was a genuine mistake - give them the chance to say sorry and fix it.
Recently I had two new P zero Rossi's fitted to the front with differing N ratinings to the P zero Assemetrico's on the rear for no other reason that I could not find a tyre supplier other than Paragon that could come close to matching my set up in a hurry. I had to have the job because the MOT and Service was due.
Mid Sussex OPC did the service and MOT and after commenting on the N rating mix happily continued with my extended warranty. So from my point of view I don't see this affecting the warranty.
Oh and the car handles just as before - Kin marvelous!!!!!
RB
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