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rotor housing lapping?

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Old 03-09-04, 10:10 PM
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rotor housing lapping?
what excalty is this and how is it done, and can must compent machine shops do it. was told it is like cylinder honing but for rotories, this is for a 91 n/a first rebuild

thanks
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Old 03-11-04, 12:48 AM
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lapping removes the little groove at the 3 and 9 o clock positions that comes from corner and side seal wear . . . I don't know of any shops that do it.
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Old 03-13-04, 09:13 PM
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yes thats what it is. you can send it to atkins rotary, mazdatrix, or racingbeat. all reputable.
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Old 03-14-04, 03:34 AM
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Stahli USA is setup to lap housings.
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Old 03-14-04, 10:05 PM
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Also Rotorsports Racing in Kannapolis, NC (30 miles north of Charlotte) does the lapping on rebuilds. They rebuilt mine last summer and it is great.
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