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996 3.4 or 3.6

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12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH996 3.4 or 3.6

Leading reported evidence

Replace few motors

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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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
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 was at my indy garage today and the owner mentioned that I should sell my 2000 996 3.4 and get a newer 3.6 instead as the 3.4 has been known to have internal problems like slipped sleeves .He has changed a few motors that just suddenly broke.He was not talking about the ims issue.

996 3.4 or 3.6
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Leading evidence: 'Replace few motors' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace few motors' (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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1 matching discussions · 12 captured posts examined · 0 partial discussions

Compare 1 other evidence results

Run risk of someone playing bumper cars

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

Plus once everything is fixed you're now running the risk of someone playing bumper cars with you and your now (for example) $25k car that's still not paid off which also has another $2-5-10k in prevention thrown in it...

996 3.4 or 3.6
Frequently discussed actions (2)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace few motors

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 was at my indy garage today and the owner mentioned that I should sell my 2000 996 3.4 and get a newer 3.6 instead as the 3.4 has been known to have internal problems like slipped sleeves .He has changed a few motors that just suddenly broke.He was not talking about the ims issue.

996 3.4 or 3.6

Run risk of someone playing bumper cars

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

Plus once everything is fixed you're now running the risk of someone playing bumper cars with you and your now (for example) $25k car that's still not paid off which also has another $2-5-10k in prevention thrown in it...

996 3.4 or 3.6
Coverage and how to read this overview

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.

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

  • Rennlist: 1 discussions

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

1 acknowledgements have no verified action link; they do not establish a repair result.

Outcome without a verified action link

Plus once everything is fixed you're now running the risk of someone playing bumper cars with you and your now (for example) $25k car that's still not paid off which also has another $2-5-10k in prevention thrown in it...

Quoted acknowledgement is not verified as the original poster

Generation: 20261026T124918Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I was at my indy garage today and the owner mentioned that I should sell my 2000 996 3.4 and get a newer 3.6 instead as the 3.4 has been known to have internal problems like slipped sleeves .He has changed a few motors that just suddenly broke.He was not talking about the ims issue. I sometimes read that the motor itself is bullet proof once the ims has been upgraded. I wonder what percentage have had these issues and if it is a real worry. I have a higher mileage 996 with an upgraded ims that runs like new. I know there are no guaranties with anything mechanical but he did get me thinking.

POST 2Original post

Thinking aint bad. Worrying is bad. If you can afford the 3.6, go for it.

POST 3Original post

I would just give away your car to the mechanic and buy a new Ferrari.

POST 5Original post

Quotes source post: 12299681

This is true. If anything I'd say the 99 with the dual row ims is the most reliable.

POST 6Original post

Wow. Just . . . wow. Is your mechanic recently relocated from Houston and go by the nickname "KK" by chance?

POST 7Original post

Quotes source post: 12299721

[Image-only post; no author-written text. Original image references:] https://rennlist.com/forums/graemlins/roflmao.gif

POST 8 / ORIGINAL POSTEROriginal post

I am not worried but just passed along his comment . He is an honest owner of a well established and respected garage but he has a tendency to be negative. Works on Porsche, Ferraris Audis, MB, Bmw. I know there is a failure rate other than IMS but I do wonder what that percentage is. I also know of two BMW owners with the V8 engine that had blown engines with little mileage so all cars have some sort of failure rate except......." Toyota".Just kidding.

POST 9Original post

Quotes source post: 12297838

That. We can take care of the easy/affordable stuff but you never know what's going to just fail - or I guess some here do know and then you're paying more than the car is worth for them to fix those issues. Plus once everything is fixed you're now running the risk of someone playing bumper cars with you and your now (for example) $25k car that's still not paid off which also has another $2-5-10k in prevention thrown in it... Personally from what I've read I like the 3.4 engine, but there are examples of all the models doing high miles and being fine.

POST 10Original post

Quotes source post: 12299721

Carping about the '99 specifically would contradict something that Jake once said about the '99's reliability (see my sigpic) - and #1 fanboy simply would not do such a thing.

POST 11Original post

Quotes source post: 12299646

What, 18 or 19k! Everyday ALL DAY!

POST 12Original post

99s more likely to have cracked heads, so really, you cant win

This is a source reference. Confirm exact model applicability in the original material.