[NEW!] FOCUS ON: BORE SCORING (Part 1 - REV2) - What is Bore Scoring | Porsche 996, 997, 987, 986
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- Опубліковано 5 вер 2024
- [UPDATED 2021 VERSION]
A common consensus among owners is “my car runs so well, and it has low miles, so this can’t be cylinder scoring”. Wrong. We actually see this failure occur to more low mileage cars than high mileage cars, as the running clearances remain tighter, which actually adds to the condition. That may not make sense to you, but after you’ve seen several hundred cases, and have researched this failure with trend data, and direct experience for more than 15 years, it would. If the engine is running too long with this degree of damage, the scoring will lead to cylinder cracking, and ultimately a completely different level of failure. This failure will then be deemed “D- chunk failure” where the cylinder literally breaks, allowing coolant to flood the engine internals. When the cylinder breaks mechanical damage is extensive, and collateral component damage is great. Put simply- you don’t want that to happen to you.
Recommended products for the DiYr. (Please use link below)
1.) LN Engineering Engine Oil Filter Adapter Kit 10601
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2.) LN Engineering 106 07 Engine Oil Drain Plug
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3.) LN Engineering Engine Intermediate Shaft Bearing Tool Set 1060813
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4.) Focus On: M9X Engine Assembly
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0:00 Introduction
0:37 Title Sequence
1:14 Success of BoreScoring Series
2:21 Workbook release
3:39 Explanation of 2021 Revision
7:04 New Developments
10:00 Base Model Boxster and Cayman
13:08 Porsche models affected by Bore Scoring
13:51 GT2, GT3, Turbo, and Nikasil
16:23 What is the engine block and bore?
17:44 What is the piston?
21:34 What is scoring?
25:43 Conclusion