15 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
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YOUR RESEARCHTicking noise to Rebuild time - worst 50 Miles ever.
Leading reported evidence
Replace but having
Performed · outcome unconfirmed
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 performed work without a confirmed outcome
1
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Performed · outcome unconfirmed · Original poster
the other bearings looked OK - they will all be replaced but having to go with a secondhand crank as cant be reground within tolerances.
Ticking noise to Rebuild time - worst 50 Miles ever.
Frequently discussed work
Recommend liners made
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion · Original poster
Westwood was mentioned for replacement liners but he is recommending liners made from an engineering firm that makes them for classic F1 cars & Ferraris.
Ticking noise to Rebuild time - worst 50 Miles ever.
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Leading evidence: 'Replace but having' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'some debris they left in' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Recommend liners made' (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.
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 performed work without a confirmed outcome
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.
Performed · outcome unconfirmed · Original poster
I have been given various options here with one of the options being replaced FOC with another standard OEM bearing.
Ticking noise to Rebuild time - worst 50 Miles ever.
Use by a well know engine re-builders prominent
Performed · outcome unconfirmed
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 performed work without a confirmed outcome
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.
Performed · outcome unconfirmed · Original poster
Before anyone jumps to conclusions they are not the Aluminum Nikosil liners used by a well know engine re-builders prominent on here.
Ticking noise to Rebuild time - worst 50 Miles ever.
some debris they left in
Suggestion or failed attempt
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
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Discussions that suspect a cause
1
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Suspected cause
I think it is largely irrelevant who did the previous work, unless it is thought that the failure was caused by some debris they left in.
Ticking noise to Rebuild time - worst 50 Miles ever.
Recommend liners made
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
Westwood was mentioned for replacement liners but he is recommending liners made from an engineering firm that makes them for classic F1 cars & Ferraris.
Ticking noise to Rebuild time - worst 50 Miles ever.
Frequently discussed actions (7)
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Recommend liners made
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
Westwood was mentioned for replacement liners but he is recommending liners made from an engineering firm that makes them for classic F1 cars & Ferraris.
Ticking noise to Rebuild time - worst 50 Miles ever.
Replace when i noticed the ticking noise
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
Not sure if if the oil change bringing down some sludge and blocking the oil ways had anything to do with this but I only did about 50 miles after the oil change when I noticed the ticking noise on idling on my driveway.
Ticking noise to Rebuild time - worst 50 Miles ever.
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.
15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 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: 20261026T183130Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Well my ticking noise that developed after doing an oil change was diagnosed as a big end bearing failure. Not sure if if the oil change bringing down some sludge and blocking the oil ways had anything to do with this but I only did about 50 miles after the oil change when I noticed the ticking noise on idling on my driveway.
Its rebuild time for me I'm afraid which was originally planned for 2 years time once I had finished paying University fees for my youngest.
The history on this car was a bit sketchy when I bought it so I knew a rebuild was on the cards at some stage with 100K on the clock. The service book said the IMS bearing had been changed at 80K so I was not to worried about that going pop on me.
The engine has been dropped and broken and it has come to light at some stage the engine has been broken before as it has closed deck liners installed. I have also been told that I have bore score on 4 & 5. Photos have been supplied etc.
There is no play in the IMS bearing which is the standard OEM bearing fitted by Porsche Sussex, however, as part of the rebuild I am advised to have this replaced. I have been given various options here with one of the options being replaced FOC with another standard OEM bearing. What would you go for here and would the extra £500 ish for the EPS bearing really be worth the extra money?
That is seriously bad luck. Sorry. How do the other bearings look? I'd go with a standard IMSB minus seals. What is your thinkung WRT the bore scoring? I don't see how an oil change could affect it.
MC
Bearings
the other bearings looked OK - they will all be replaced but having to go with a secondhand crank as cant be reground within tolerances.
3-6 will be lined - doesn't make sense just to do 4 & 5.
Have you sourced a secondhand crank? Is it a 3.4 or a 3.6? Both are like hen's teeth though due to not being regrindable. I keep an eye on the usual sales places and have bought one of each in the last 3 or so years for a sensible price.
MC
I think it is largely irrelevant who did the previous work, unless it is thought that the failure was caused by some debris they left in. I'd be interested to see photos of the bearings though. We know that they wear and around 100k can be rebuild territory depending on usage patterns.
MC
It is the others I was more interested in to see how close they were. Are there date codes on the shells to see if they have been changed previously?
MC
all 6 were done previously.
Before anyone jumps to conclusions they are not the Aluminum Nikosil liners used by a well know engine re-builders prominent on here. I have spoken to them and shown them the photos.
...I had Westwood steel liners installed when my engine was rebuilt as hairline cracks were discovered when the block was tested...a very well established (100yrs) engineering company fitted them...all good with me...
Westwood was mentioned for replacement liners but he is recommending liners made from an engineering firm that makes them for classic F1 cars & Ferraris.
This is a source reference. Confirm exact model applicability in the original material.
