Original Message
Is the smoke mostly from one side of the exhaust?
By Dave Shoe - 08/14/2001 2:30:31 AM; IP 216.243.158.53
Actually, I'm not sure this will tell much (it depends on the exhaust system design).

I'm wondering if one of the heads has a partially-clogged oil drainback passage at the rear of the block. This'll allow the head to fill, causing the rear cylinders on the clogged side to draw oil down the stems..

Which sparkplugs have an oily insulator?

I've recently learned of the value of a leak-down test, too. I've still never done one, but probably will eventually. If I recall, a leak-down tester is about $60.00 (I might be off a bit).

Shoe.
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 valve guides on a 390 -- T1M, 08/11/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7610&Reply=7567><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7610" onclick="return false;">Did you do a cylinder leak down test?</a>&nbsp;-- <font color=#0000ff>HighSpeed, <i>08/13/2001</i></font><script type="text/javascript">
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 Did you do a cylinder leak down test? -- HighSpeed, 08/13/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7611&Reply=7567><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7611" onclick="return false;">RE: Did you do a cylinder leak down test?</a>&nbsp;-- <font color=#0000ff>T1M, <i>08/14/2001</i></font><script type="text/javascript">
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 RE: Did you do a cylinder leak down test? -- T1M, 08/14/2001
Is the smoke mostly from one side of the exhaust? -- Dave Shoe, 08/14/2001
Collapse <a href=../ForumFE/reply.aspx?ID=7618&Reply=7567><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor7618" onclick="return false;">Did you do a cylinder leak-down test?</a>&nbsp;-- <font color=#0000ff>HighSpeed, <i>08/14/2001</i></font><script type="text/javascript">
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 Did you do a cylinder leak-down test? -- HighSpeed, 08/14/2001
 RE: Did you do a cylinder leak-down test? -- T1M, 08/14/2001
 RE: Did you do a cylinder leak down test? -- Mel Clark, 08/15/2001
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