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RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

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YOUR RESEARCHRS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

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Recommend pressures hot or cold

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Suggestion · Original poster

What I was asking is are the recommended pressures hot or cold?

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Suggestion

What I was asking is are the recommended pressures hot or cold?

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK
Read full discussion summary

Leading evidence: 'Recommend pressures hot or cold' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Recommend pressures hot or cold' (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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1 matching discussions · 11 captured posts examined · 1 partial discussions

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Replace indication

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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.

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Suggestion

You can change the indication from BAR to PSI within the settings menu

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Run gt3s at oem pressures

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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
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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

On track, I generally run GT3s at OEM pressures but when the tyres are hot - this is the first GT3 where I've found I need to lower pressures for (progressive) road driving as well.

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Run they were up

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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
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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 filled them up to 1.9 and 2.3 respectively this morning, after a bit of a run they were up to 2.3 and 2.6.

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Run yesterday

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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
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Suggestion

I took my 4.0 for a run yesterday with some friends and we found that the car benefited (a lot) from lowering pressures when the tyres were hot back down to around 2.0 / 2.2 (hot).

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK
Frequently discussed actions (6)

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Recommend pressures hot or cold

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Discussions that contain suggestions
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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 was asking is are the recommended pressures hot or cold?

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Suggestion

What I was asking is are the recommended pressures hot or cold?

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Replace indication

No successful repair reported for this finding.

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Reported fixes
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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 can change the indication from BAR to PSI within the settings menu

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Run gt3s at oem pressures

No successful repair reported for this finding.

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Reported fixes
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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

On track, I generally run GT3s at OEM pressures but when the tyres are hot - this is the first GT3 where I've found I need to lower pressures for (progressive) road driving as well.

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Run they were up

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
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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 filled them up to 1.9 and 2.3 respectively this morning, after a bit of a run they were up to 2.3 and 2.6.

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Run yesterday

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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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 took my 4.0 for a run yesterday with some friends and we found that the car benefited (a lot) from lowering pressures when the tyres were hot back down to around 2.0 / 2.2 (hot).

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK

Set per oem recommendation

No successful repair reported for this finding.

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Read evidence and context
Discussions that contain suggestions
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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

The car's pressures had been set per OEM recommendation to 1.9 / 2.3 cold, and had risen to 2.7 at the rear.

Original post Read captured discussion
RS 4.0 values - sorry tyre pressures...... - Page 1 - 911/Carrera GT - PistonHeads UK
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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.

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

  • PistonHeads: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

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Generation: 20261026T225432Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Sorry my mistake there......so used to talking about values it was a freudian slip.... Just took out the 4.0, got back and it's gone up another 10k apparently........lol Seriously, the pressures. Book says 1.9 on the fronts and 2.3 on the rear. Parr say 2.1 all round for track work and to reinflate for the road. My question is, is the book value for when they are hot? Assume so? I filled them up to 1.9 and 2.3 respectively this morning, after a bit of a run they were up to 2.3 and 2.6. Should I bleed them down to 1.9 and 2.3? Thanks in advance.

POST 2Original post

They will come down back to original value when cooled. So leave as is.

POST 3 / ORIGINAL POSTEROriginal post

Yes sorry I know that. What I was asking is are the recommended pressures hot or cold?

POST 5Original post

pistolp said: Yes sorry I know that. What I was asking is are the recommended pressures hot or cold? They are quoted in the book for cold tyres at an ambient temperature of 20 degrees C.

POST 7Original post

I love watching them tick up and the satisfaction both fronts are identical and both rears are identical. Always amazed at how quickly they go up too. Wish indication it was psi tho!

POST 8Original post

Presumably the parr 2.1 will be the hot pressure?

POST 9Original post

R1nur said: I love watching them tick up and the satisfaction both fronts are identical and both rears are identical. Always amazed at how quickly they go up too. Wish indication it was psi tho! You can change the indication from BAR to PSI within the settings menu

POST 10 / ORIGINAL POSTEROriginal post

Yes parr is hot There is a great app called convertbot on the iPhone that can covert all values across all metrics, worth getting

POST 11Original post

I took my 4.0 for a run yesterday with some friends and we found that the car benefited (a lot) from lowering pressures when the tyres were hot back down to around 2.0 / 2.2 (hot). The car's pressures had been set per OEM recommendation to 1.9 / 2.3 cold, and had risen to 2.7 at the rear. This made the car very twitchy. Lowering the pressures transformed the car. On track, I generally run GT3s at OEM pressures but when the tyres are hot - this is the first GT3 where I've found I need to lower pressures for (progressive) road driving as well. I do always bring the cold pressures back up to OEM for the next journey to avoid over stressing the sidewalls. Cheers

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