Experience with Unbalanced Flywheel - JeepForum.com
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post #1 of 3 Old 07-06-2021, 12:33 PM Thread Starter
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1985 CJ7 
Join Date: Nov 2012
Location: SAT
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Experience with Unbalanced Flywheel

If you've experienced an unbalanced flywheel, did it vibrate for the full rpm range including idle or just within a more narrow rpm range?

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post #2 of 3 Old 07-06-2021, 03:57 PM
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1974 CJ6 
Join Date: Dec 2007
Location: Illinois
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narrow ish range. had the incorrect 360(external balance) flywheel on a 318(internal balance) and had a vibration from about 2800-4000 then it would smooth back out.
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80 CJ-5, 74 CJ-6, 56 CJ-5
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post #3 of 3 Old 07-08-2021, 08:04 AM
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1971 CJ5 
Join Date: Jan 2002
Location: Eagle Point
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I put the wrong flywheel in my wife's mustang (289). It vibrated starting from idle through the RPM range, the intensity increasing with engine speed.

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