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Yes, the engine won't run without the tone ring .... 200 1992

posted by  Volvodad on  Tue Dec 20 00:25 CST 2011
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last visit: Thu Oct 23 16:18 CST 2014
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Bear in mind that the undrilled flywheel is a balanced unit as you found it, and the drilling you are contemplating will result in a slight imbalance, because of the weight of the metal you don't drill at those two indexing spots.

Whether this will be detectable in actual operation, I don't know, but the Volvo engineers would not approve.

The factory would have balanced those flywheels after the "timing holes" had been drilled. So, again, better to seek and find an original equipment piece.
--
Bob: son's XC70, dtr's '94-940, my 81GL, 83-DL, 89-745(V8) and 98-S90. Also 77-MGB and some old motorcycles.






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New M47 conversion, flywheel with no tone ring, is this required? [200][1992]
posted by  drj434343 subscriber  on Mon Dec 19 17:09 CST 2011 >


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