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The preferred sequence we use when honing a re-bored engine is to rigid power hone using 220 grit (AN300 SERIES), removing the first .05mm (.002") of stock. Change the hone stones to 400 grit (M27J87 SERIES) and hone the remaining 0.013mm (.0005") to the finished size and acceptable crosshatch pattern. The final step is to finish the sequence with 10 strokes of a flex hone. As the flex hone removes little to no stock the finished size remains the same. With the use of good quality rings the bed in period is usually short. Some engines require a different sequence but this generally suits most engines.
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