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2015 991.1 w/ G6 Value?

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Old 09-02-2024 | 03:05 PM
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Originally Posted by Rhdjon
Done this a lot of times and still nothing. Not on purpose but just spirited
Yeah IMO I think it has to be on purpose, in other words back to back repeated multiple times. Whereas spirited driving alone does not usually cause you to hit 9K RPM upshifts at wide-open throttle multiple times within <1 minute.
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Old 09-02-2024 | 04:38 PM
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F from Spring 2015 and later engines make their 30-40k miles. Mine throwed the CEL at 46k kilometers. And I drove it on the track. I think useless punishment to an late F with 20k miles on it is bull****.
Old 09-02-2024 | 04:43 PM
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Originally Posted by Cay_PI
F from Spring 2015 and later engines make their 30-40k miles. Mine throwed the CEL at 46k kilometers. And I drove it on the track. I think useless punishment to an late F with 20k miles on it is bull****.
maybe I’m crazy but driving a car in automatic mode to the factory redline a few times is something it should be able to withstand without breaking. And if it doesn’t then I want it to happen before the warranty is gone.
Old 09-03-2024 | 04:28 AM
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Right. My guess is, it will withstand that without issues. And then it throws the cell not at 40k miles but at 35k miles and porsche might deny any courtesy because of abuse.
Old 09-03-2024 | 04:36 AM
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Meaning they have a data log of every single mile driven? Like a telemetry.
Old 09-03-2024 | 08:35 AM
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Originally Posted by Cay_PI
Right. My guess is, it will withstand that without issues. And then it throws the cell not at 40k miles but at 35k miles and porsche might deny any courtesy because of abuse.
what I am describing above is not abuse. These cars are designed to be tracked (even listed in the owners manual) and a few high RPM pulls on the street are less demanding than that. This is simply a procedure to uncover the known defect in the engine. And Porsche had no concern warranting my engine after this. They are well aware of their own design flaws with the original engine.

and no, they don’t have telemetry of every mile driven, but the DME will log the current stats when the check engine light comes on such as current RPM, etc. Otherwise known as freeze frame data.

Last edited by wootloops; 09-03-2024 at 08:36 AM.
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Old 09-03-2024 | 08:48 AM
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Originally Posted by slipaway37
KEEP DOING IT..........
haha, seriously. Every minute spent logging into Rennlist to let everybody know you haven't grenaded his engine yet could have been better spent bouncing the rev limiter.
Old 09-03-2024 | 12:25 PM
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Originally Posted by wootloops
and no, they don’t have telemetry of every mile driven, but the DME will log the current stats when the check engine light comes on such as current RPM, etc. Otherwise known as freeze frame data.
+ they know the average RPM the engine ran during its lifetime and if they read it out every time they connnect a PIWIS, they have the deltas and know very well how the engine was used

And I don't talk about warranty but courtesy. I would not punish an engine that will most likely NOT show the error in the time the warranty is active. Nice if you are one year past the warranty deadline, the engine finally is weared because of useless punishment and porsche doesn't do anything because the log data on the last service shows that it ran with abnormal high average RPM.

Lets see if he can kill the engine in time. I don't think so. If you use it like on track (no short shifting and allways full throttle), an F from spring 2015 will make its 30-40k miles I think. Mine did And yours had >50k miles on it. This thing was done allready when you bought it. You just ripped of the last view hundred millimeters of DLC that was needed to activate CEL mode.

Last edited by Cay_PI; 09-03-2024 at 12:32 PM.
Old 09-03-2024 | 10:13 PM
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Originally Posted by wootloops
A few months ago I started making a list of all reported failures, and the average mileage was around 20-25k, so you might be almost there.
From your report are you seeing most GT3 Engines will blow around 20-25K? That is some scary stats if it's true.

What is everyone doing with your original GT3 engine with under 20K on it? Drive the crap out of it and hope the engine blows before end of this year?
Old 09-03-2024 | 10:26 PM
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Originally Posted by Ed99
From your report are you seeing most GT3 Engines will blow around 20-25K? That is some scary stats if it's true.

What is everyone doing with your original GT3 engine with under 20K on it? Drive the crap out of it and hope the engine blows before end of this year?
I basically scanned through posts on rennlist by hand and made a list of every failure/mileage mentioned. I only did this for about 20 cars because it was a pain to do it manually, but I still feel even that small of a sample set gives a general idea of the failure range.

About 23k miles is the median average of the ~20 I found. My engine was the highest mileage to fail on rennlist, although I did see a car with 69k that may still be on original engine on FB (unconfirmed).


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Old 09-03-2024 | 10:48 PM
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Originally Posted by wootloops
I basically scanned through posts on rennlist by hand and made a list of every failure/mileage mentioned. I only did this for about 20 cars because it was a pain to do it manually, but I still feel even that small of a sample set gives a general idea of the failure range.

About 23k miles is the median average of the ~20 I found. My engine was the highest mileage to fail on rennlist, although I did see a car with 69k that may still be on original engine on FB (unconfirmed).


That is some awesome stats you collected here and I am sure there are hundreds if not thousands more.

I noticed most of them are 2015 year GT3 with the F engine.

I would imagine anyone with the G engine would demand a higher price tag come 2025 year.
Old 09-03-2024 | 11:08 PM
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Traded a few years back, but I’ll throw my data point in…

2015 991.1 GT3 with F series engine.

Failed shortly after I purchased it CPO at 49K miles.

Dealer said the previous owner daily drove it. You could tell as much.

Spirited back roads driving with occasional HPDE by me made it fail.

Full G6 engine replacement and ran incredibly well for the remainder of my ownership until 55K miles.



FF / cam wear…



New G6…


Last edited by greggmorton; 09-03-2024 at 11:11 PM.
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Old 09-04-2024 | 12:18 PM
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Originally Posted by wootloops
I basically scanned through posts on rennlist by hand and made a list of every failure/mileage mentioned. I only did this for about 20 cars because it was a pain to do it manually, but I still feel even that small of a sample set gives a general idea of the failure range.

About 23k miles is the median average of the ~20 I found. My engine was the highest mileage to fail on rennlist, although I did see a car with 69k that may still be on original engine on FB (unconfirmed).

Thanks for doing this. IF we could sticky this, or post a shareable file, I'd be happy to add. I did a lot of research on this.

Might also add a section for cars will engines that have not failed, and how many miles.
Old 09-04-2024 | 02:44 PM
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Originally Posted by Indyxc
Thanks for doing this. IF we could sticky this, or post a shareable file, I'd be happy to add. I did a lot of research on this.

Might also add a section for cars will engines that have not failed, and how many miles.

Sent you a PM
Old 09-05-2024 | 12:13 PM
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Originally Posted by Indyxc
Thanks for doing this. IF we could sticky this, or post a shareable file, I'd be happy to add. I did a lot of research on this.

Might also add a section for cars will engines that have not failed, and how many miles.
My 2015 GT3 F engine failed at 35K miles, which included 8 track events.
I now have 16K miles, including 3 track events on a G6 engine.
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