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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHow bad is this bore scoring? Rebuild, or send it?
Leading reported evidence
Check oil sump and filter also
Suggestion or failed attempt
No successful repair reported for this finding.
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Suggestion
If it was me, I'd go ahead and change the oil and send a sample for UOA to see what it looks like (check the oil sump and filter also for any bits).
How bad is this bore scoring? Rebuild, or send it?
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Leading evidence: 'Check oil sump and filter also' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check oil sump and filter also' (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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Replace (3-5k or every 6 months - whichever comes first)
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.
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Suggestion
Anyway, given that the scoring is slight at worst, frequent oil changes (3-5k or every 6 months - whichever comes first) with a quality high moly oil will probably stave off more damage for quite a while.
How bad is this bore scoring? Rebuild, or send it?
Replace /high quality fluids
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
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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.
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Suggestion · Original poster
Time to send this to Slakker, or should I be good with regular oil changes/high quality fluids?
How bad is this bore scoring? Rebuild, or send it?
Replace oil and send a sample
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.
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
If it was me, I'd go ahead and change the oil and send a sample for UOA to see what it looks like (check the oil sump and filter also for any bits).
How bad is this bore scoring? Rebuild, or send it?
Replace oil.)
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.
How bad is this bore scoring? Rebuild, or send it?
Replace (3-5k or every 6 months - whichever comes first)
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
Anyway, given that the scoring is slight at worst, frequent oil changes (3-5k or every 6 months - whichever comes first) with a quality high moly oil will probably stave off more damage for quite a while.
How bad is this bore scoring? Rebuild, or send it?
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11 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T053112Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hello Team,
Recently purchased this low-mileage warm weather cabriolet� Attached are the shots from the borescope that my mechanic sent me.
What do you guys think? I plan to daily this. Time to send this to Slakker, or should I be good with regular oil changes/high quality fluids?
If it was me, I'd go ahead and change the oil and send a sample for UOA to see what it looks like (check the oil sump and filter also for any bits). Having said that, I'm in the school of just enjoying the car but learning more about it condition so you can plan and save money for whatever the car will need in the near and long term future.
If you haven't, check out one of the recent videos from Slakker about bore scoring. Quite often, the marks on camera appear far worse than in reality due to magnification. Not sure how many miles you have put on the car so far but I would try to identify what oil consumption looks like first and do a UOA to get a reading on metal wear, specifically silicon, and track the trend. Running something like 5w50 would be a good move too. Are there any audible symptoms like piston slap? The photos are ok and while they show some markings we can't see the entire bore. It could be early scoring and you can probably do many miles before you need a rebuild or we could move the camera a bit and expose far worse scoring.
Although it appears there are some marks that isn't bad at all from my experience. I would drive and enjoy it. Change the oil every so often and if you have time, toss a bore scope in a random plug hole and see if it's gotten any worse but for me, thats nothing! I think most cars have that amount actually.
Forgot to mention, these are $25k cars and if you toss $30K in a slakker motor (which would be cool) you're way upside down...but if you intend to keep it for awhile then your losses are not as much....just a different way of thinking about it.
With the limited views you've provided, cylinders look ok, nothing earth shattering going on there.
A few scratches is normal on a high mile engine. Nothing to loose sleep over.
How many miles on this engine..?
If you search the forum, 'GC996' forum member has conveniently listed many many times the deferred maintenance needed on all m96. That is what I'd do on your new to you 996.
jmho
That barely looks like bore scoring and it looks to be at the tops to middle part of the cylinder(s) where bore scoring doesn�t generally start. Did they scope the cylinders from the sump? Anyway, given that the scoring is slight at worst, frequent oil changes (3-5k or every 6 months - whichever comes first) with a quality high moly oil will probably stave off more damage for quite a while. In the mean time you can decide whether you love the car enough for a high $$$ engine re-build with Nickies�
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