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RE: Need To Perform FULL Diagnosis

By S7MS - 12/18/2000 5:10:35 PM; IP 165.247.92.86

"What kind of compression numbers should I be looking at to determine if the bottom 1/2 needs rebuilding?"

A compression test will not direct you to a bearing(s) clearance problem or weak oil pump, only a oil pressure test with a PROFESSIONAL oil pressure gauge will direct you to that problem.

If she smokes blue immediately on fire-up and then subsides as the engine warms, it would indicate leaking valve stem seals (park plug deposit(s) inspection would lead you to either bad seals or oil control rings). Of course if you have been running a straight 50W motor oil up to this point, it pretty well indicates engine wear.

I would try a 20W-40 multigrade motor oil and then run an oil pressure test.

This thread, so far...

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Collapse <a href=../ForumFE/reply.aspx?ID=3681&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3681" onclick="return false;">Difficult to diagnose on internet but..........</a> -- <font color=#0000ff>Mark, <i>12/18/2000</i></font><script type="text/javascript">
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Difficult to diagnose on internet but.......... -- Mark, 12/18/2000

RE: Difficult to diagnose on internet but.......... -- martin edridge, 12/18/2000

Martin's got it - raise the viscosity to at least 20W. [n/m] -- Mr F, 12/18/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3685&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3685" onclick="return false;">RE: Difficult to diagnose on internet but..........</a> -- <font color=#0000ff>RC Moser, <i>12/18/2000</i></font><script type="text/javascript">
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RE: Difficult to diagnose on internet but.......... -- RC Moser, 12/18/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3686&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3686" onclick="return false;">RE: Difficult to diagnose on internet but..........</a> -- <font color=#0000ff>Mark, <i>12/18/2000</i></font><script type="text/javascript">
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RE: Difficult to diagnose on internet but.......... -- Mark, 12/18/2000

RE: Need To Perform FULL Diagnosis -- S7MS, 12/18/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3697&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3697" onclick="return false;">RE: Difficult to diagnose on internet but..........</a> -- <font color=#0000ff>Craig M, <i>12/19/2000</i></font><script type="text/javascript">
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RE: Difficult to diagnose on internet but.......... -- Craig M, 12/19/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3703&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3703" onclick="return false;">RE:Solution=replace engine with 351 Windsor.</a> -- <font color=#0000ff>Stanley Superior, <i>12/19/2000</i></font><script type="text/javascript">
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RE:Solution=replace engine with 351 Windsor. -- Stanley Superior, 12/19/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3711&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3711" onclick="return false;">RE:Solution=replace engine with 351 Windsor.</a> -- <font color=#0000ff>Melanie, <i>12/19/2000</i></font><script type="text/javascript">
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RE:Solution=replace engine with 351 Windsor. -- Melanie, 12/19/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3712&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3712" onclick="return false;">RE:Solution=replace engine with 351 Windsor.</a> -- <font color=#0000ff>Stanley Superior, <i>12/19/2000</i></font><script type="text/javascript">
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RE:Solution=replace engine with 351 Windsor. -- Stanley Superior, 12/19/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3714&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3714" onclick="return false;">RE:Solution=replace engine with 351 Windsor.</a> -- <font color=#0000ff>427galaxie, <i>12/19/2000</i></font><script type="text/javascript">
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RE:Solution=replace engine with 351 Windsor. -- 427galaxie, 12/19/2000

Collapse <a href=../ForumFE/reply.aspx?ID=3726&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor3726" onclick="return false;">Didn't ask for engine swap advise! Plz read on</a> -- <font color=#0000ff>Mark, <i>12/20/2000</i></font><script type="text/javascript">
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Didn't ask for engine swap advise! Plz read on -- Mark, 12/20/2000

Collapse <a href=../ForumFE/reply.aspx?ID=24040&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor24040" onclick="return false;">RE: Didn't ask for engine swap advise! Plz read on</a> -- <font color=#0000ff>Ken, <i>02/17/2005</i></font><script type="text/javascript">
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RE: Didn't ask for engine swap advise! Plz read on -- Ken, 02/17/2005

Sure am - and thanks. But this was back in '00. :-) [n/m] -- Mr F, 02/18/2005

Final warning: personal attacks will *not* be tolerated [n/m] -- Mr F, 12/20/2000

Collapse <a href=../ForumFE/reply.aspx?ID=24037&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor24037" onclick="return false;">RE: 351 Windsor.</a> -- <font color=#0000ff>John, <i>02/16/2005</i></font><script type="text/javascript">
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RE: 351 Windsor. -- John, 02/16/2005

Collapse <a href=../ForumFE/reply.aspx?ID=24042&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor24042" onclick="return false;">RE: 351 Windsor.</a> -- <font color=#0000ff>Barry B, <i>02/17/2005</i></font><script type="text/javascript">
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RE: 351 Windsor. -- Barry B, 02/17/2005

Collapse <a href=../ForumFE/reply.aspx?ID=24046&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor24046" onclick="return false;">RE: 351 Windsor.</a> -- <font color=#0000ff>john brooks, <i>02/18/2005</i></font><script type="text/javascript">
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RE: 351 Windsor. -- john brooks, 02/18/2005

Collapse <a href=../ForumFE/reply.aspx?ID=24048&Reply=3681><img src=../images/reply.png width=30 height=10></a> <a href="#" id="anchor24048" onclick="return false;">RE: 351 Windsor.</a> -- <font color=#0000ff>Barry B, <i>02/18/2005</i></font><script type="text/javascript">
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RE: 351 Windsor. -- Barry B, 02/18/2005

RE: 351 Windsor. -- John, 02/19/2005