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M47 conversion, flywheel with no tone ring, is this required? 200 1992

posted by drj434343 on Mon Dec 19 17:09 CST 2011
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last visit: Thu Oct 24 09:46 CST 2013

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I'm in the midst of a M47 conversion on my friend's 92 240. We removed the auto fly wheel only to discover the tone ring for what I'm guessing is the RPM sensor. The M47 replacement flywheel has no such ring, so I'm thinking it was a pre-89 tranny.

Is there any way to boot strap this on a 92? Is it required to run the car?

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

M47 conversion, flywheel with no tone ring, is this required? [200][1992]
posted by Goatman on Mon Dec 19 17:13 CST 2011 > V
- M47 conversion, flywheel with no tone ring, is this required? [200][1992]
  posted by pageda on Mon Dec 19 17:22 CST 2011 > V
  - M47 conversion, flywheel with no tone ring, is this required? [200][1992]
    posted by jerryc on Mon Dec 19 23:29 CST 2011 > V

Yes, the engine won't run without the tone ring .... [200][1992]
posted by Ken C subscriber on Mon Dec 19 17:28 CST 2011 > V
- Yes, the engine won't run without the tone ring .... [200][1992]
  posted by drj434343 subscriber on Mon Dec 19 17:37 CST 2011 > V
  - Yes, the engine won't run without the tone ring .... [200][1992]
    posted by Goatman on Mon Dec 19 18:05 CST 2011 > V
    - Yes, the engine won't run without the tone ring .... [200][1992]
      posted by drj434343 subscriber on Mon Dec 19 19:22 CST 2011 > V
      - Thanks (so that's how they establish orientation).... [200][1992]
        posted by Ken C subscriber on Mon Dec 19 19:37 CST 2011 > V
      - Yes, the engine won't run without the tone ring .... [200][1992]
        posted by Volvodad subscriber on Tue Dec 20 00:25 CST 2011 > V
  - tone rings are intricate .... [200][1992]
    posted by Ken C subscriber on Mon Dec 19 19:15 CST 2011 > V

M47 conversion, flywheel with no tone ring, is this required? [200][1992]
posted by Will740turbo subscriber on Mon Dec 19 18:35 CST 2011 > V

M47 conversion, flywheel with no tone ring, is this required? [200][1992]
posted by hardknocks! subscriber on Mon Dec 19 20:28 CST 2011 > V

M47 conversion, flywheel with no tone ring, is this required? [200][1992]
posted by jerryc on Tue Dec 20 02:35 CST 2011 > V
- M47 conversion, flywheel with no tone ring, is this required? [200][1992]
  posted by jerryc on Sun Jan 1 03:42 CST 2012 > V

M47 conversion, flywheel with no tone ring, is this required? [200][1992]
posted by JohnMc on Wed Dec 21 08:18 CST 2011 > V

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M47 conversion, flywheel with no tone ring, is this required? 200 1992