Original Message
RE: Dampner may not be the problem
By Mel Clark - 08/22/2001 9:51:20 AM; IP 64.12.101.182
If you cannot discover the cause of the vibration through standard methods of diagnosis, try a timing light on the components at the front of the engine and see if any thing is hopping around up there. If you have contact with the previous owner you may want to find out where the engine was rebuilt and if it was supposedly balanced. There are many shops and mechanics/machinersts that do not understand these engines and there could be a mis-match of the internals. you might also want to remove the flex plate and converter cover and look at the flex plate to see if there are any weights attatched, like a late design 428 would have. while the cover ia off I would try to rock the assembly to see if ther is any movement. Sorry, there are no cures or easy answers from me. All you can do is keep on looking and it will eventually show up
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Collapse <a href=../ForumFE/reply.aspx?ID=7759&Reply=7759><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7759" onclick="return false;">'66 390 Internal Vibration</a>&nbsp;-- <font color=#0000ff>Paladin, <i>08/22/2001</i></font><script type="text/javascript">
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 '66 390 Internal Vibration -- Paladin, 08/22/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7761&Reply=7759><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7761" onclick="return false;">The wrong damper won't make it shake.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>08/22/2001</i></font><script type="text/javascript">
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 The wrong damper won't make it shake. -- Dave Shoe, 08/22/2001
RE: Dampner may not be the problem -- Mel Clark, 08/22/2001
 RE: '66 390 Internal Vibration -- BOB HOPKINS, 08/22/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7777&Reply=7759><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7777" onclick="return false;">RE: '66 390 Internal Vibration</a>&nbsp;-- <font color=#0000ff>Ray, <i>08/22/2001</i></font><script type="text/javascript">
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 RE: '66 390 Internal Vibration -- Ray, 08/22/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7781&Reply=7759><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7781" onclick="return false;">RE: '66 390 Internal Vibration</a>&nbsp;-- <font color=#0000ff>Mel Clark, <i>08/22/2001</i></font><script type="text/javascript">
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 RE: '66 390 Internal Vibration -- Mel Clark, 08/22/2001
 Not exactly. -- Dave Shoe, 08/23/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7792&Reply=7759><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7792" onclick="return false;">Internally balanced 428</a>&nbsp;-- <font color=#0000ff>Ross, <i>08/23/2001</i></font><script type="text/javascript">
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 Internally balanced 428 -- Ross, 08/23/2001
 RE: Internally balanced 428 Revisited -- Mel Clark, 08/24/2001
 What I'd do -- Ross, 08/23/2001
 First Thing I'd Check -- Skip C., 08/23/2001
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