Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Proper Piston Groove Cleaner Instuctions Please
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Old 08-31-2009, 11:02 PM
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Best way to remove carbon from the lands is in a lathe rotated by hand, the second best alternative is walnut shell shot blasting. Hand methods don't compare....remember the ring seals against the lands so even 0.0001" taken off in one area is a leak although its not the end of the world and the engine will still run fine.

Have you tried soaking the pistons in caustic carb cleaner? Works pretty good also...washup with hot water and a brush and your done.
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