It was almost 5 yrs ago Sydney was diagnosed with Bore Scoring. Spent a lot of money ($28K) and time (almost 1 yr) on a rebuild with new Nikasil cylinders. Was supposed to solve the problem. Here's a link:
https://986forum.com/forums/performance-technical-chat/80281-its-bs-4.html
Fast fwd to mid-Jan and I start to hear a ticking sound during our annual winter cold snap. That's not good, as that's generally the starting signal of bore scoring. Keep an eye on oil consumption. She's now starting to drink a bit and the ticking is getting louder. Took her to SLM and they scoped her. Here's what they found in the #4 cyl.
Crap. Why did this happen?
SLM did some calling to see if there might be someone interested in doing some goodwill exploring but to no avail. The shop who did the rebuild has been sold and I think the mechanic / owner who did the rebuild has retired. Jake Raby is busy with other projects. No shops want to look at a rebuilt engine. Not many options.
Talked to SLM today about having L&N do the rebuild. They're taking steps in that direction.
The saga / nightmare continues...
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