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RE: 1950 RPM Balance Problem

By Dave Shoe - 04/16/2001 2:36:16 AM; IP 216.243.158.26

It seems unusual to me that an unbalanced flywheel would only cause symptoms only at 2000RPM. This very well could be the problem - I don't know - but it just seems like an incorrect flywheel balance would be noticeable at many RPMs.

Is it possibly a broken exhaust system hangar causing the pipes to vibrate when the engine passes through 2000RPM?

The small damper is standard on 67-earlier FEs. In 1968 the damper grew a nice bit, but sadly the same pulleys don't bolt up to them because Ford changed the bolt circle diameter ('67-early pulleys had timing marks in them and were keyed, '68-later pulleys did not).

Shoe.

This thread, so far...

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1950 RPM Balance Problem -- Rick Read, 04/10/2001

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RE: 1950 RPM Balance Problem -- gerald, 04/11/2001

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RE: 1950 RPM Balance Problem -- Rick, 04/15/2001

RE: 1950 RPM Balance Problem -- Dave Shoe, 04/16/2001