How to fix bore scoring in your Porsche's M96/M97 engine | 4 of 4
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What bore scoring is & why it can happen to 1999-08 Porsche 911s, Boxsters, & Caymans | 1 of 4
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How to prevent or slow the progression of bore scoring in your Porsche M96/M97 engine | 3 of 4
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Porsche 997 Carrera II: How To Fix Bore Score Damage | Wheeler Dealers
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Porsche Engine Failures MADE SIMPLE - Hartech Explain IMS, RMS, Bore Scoring for 911, 986 & 987
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Closing The Case. How to re-build your Air-Cooled Porsche Engine
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Block & bore surface geometries & contributing factors to bore scoring in M96/M97 engine | 2 of 4
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Cylinder Bore Scoring - Part 3: How To Prevent it? - with Lake Speed Jr.
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