Porsche Club GB

3.4 to 3.6 conversion

Add to repair workspace

New repair projectOpen repair workspace

Original source

3 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH3.4 to 3.6 conversion

Leading reported evidence

Replace 3.4

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 · Original poster
If it comes to an engine replacement, has anyone heard of anyone changing a 3.4 for a 3.6?
Original post Read captured discussion
3.4 to 3.6 conversion

Read full discussion summary

Leading evidence: 'Replace 3.4' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace 3.4' (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.

Read captured replies

1 matching discussions · 3 captured posts examined · 0 partial discussions

Frequently discussed actions (1)

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

Replace 3.4

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
If it comes to an engine replacement, has anyone heard of anyone changing a 3.4 for a 3.6?
Original post Read captured discussion
3.4 to 3.6 conversion

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.

3 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 · 0 adjusted by outcome qualification.

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

Generation: 20261027T150039Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Ok trying really hard to find some positives in todays disaster (see my other post). If it comes to an engine replacement, has anyone heard of anyone changing a 3.4 for a 3.6? I'm assuming you would be talking about £10K for a new engine (or maybe a reconditioned one cheaper?), plus new ECU. Would you need any other upgrades? I know for the 997 they've upgraded the gearbox as it supposedly wouldn't cope with the extra power of the 3.8, but would there be any problems with the 3.6? Alternatively, I've always fancied the supercharger job that was in 991 & Porsche World a while back for about £4K, but to fit that I guess you'd want to be sure that everything was in tip top shape, and I haven't got that confidence in mine at present.

POST 2Original post

Doesn't the 3.6 need the optical wiring (MOST)? Sorry if so. I would think it makes it almost impossible...[&o]

POST 3Original post

Mike, I know the issues with putting one in a Boxster - the DME on the 3.4 isnt set up for Variocam, but by now should be straight forward enough for Rook, or similar.

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