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I had a similar problem on my 67 Midget vintage race car at last
December's race. Oil on the hot header sent up smoke that got me black
flagged. After checking it out in my garage later, it seemed like it was
the front engine plate. Pulled the engine and discovered that it was in
fact a little less than completely flat and the the oil pan had a dent
from the inside that was causing a less than flat seal with the bottom
of the block. That's what I get from using parts from parts cars,
despite checking them out.
Replaced both with other parts from parts cars and thought all was well,
until the race this past weekend when the same thing happened, although
less oil and smoke.
Oil leaks are very often one of the hardest things to find and fix. They
also often require some trial and error - fix what you think was the
offending part, put the engine back in the car and find the leak is
still there once it is up to pressure and temperature. If you can
determine where the oil is really coming from it makes the fix easier.
Arterial leaks are rare. It usually requires an engine removal,
tear-down and inspection. If you are lucky it is an obvious gasket or
flatness problem. But it still requires a fix, re installation, and
running up to normal pressure and temperature before you know for sure
it is fixed. At least that's my experience.
Now I have another wonderful opportunity to gain some more experience.
Lots of luck with your leak.
Bob
On 9/15/2015 2:30 PM, daredelvis--- via Spridgets wrote:
> I had a similar problem with a rebuilt 948. It was a poorly installed
> timing chain cover gasket. I got all of my money back from the builder
> ($0).
> Brian
>
>
>
> On Sep 15, 2015, at 10:30 AM, Walt Swift via Spridgets
>
>> Just took the Bugeye for a 20 mile test run after restoration. And I
>> gotta leak - a serious one. Front end.
>>
>> 1275 cc engine (rebuilt I think), 60 psi oil pressure, hums nicely,
>> New PCV valve and tube connections to the front timing cover can and
>> the intake manifold seem tight. Not a bad leak when sitting, idling
>> tuning carbs, but moderate driving (< 3,500 rpm - 20 miles) and my
>> garage floor has a 1/4 pt. puddle.
>>
>> A lot of the oil lays on the frame cross member before rolling onto
>> the floor. But the fan blades are clean, and oil isn't sprayed all
>> over the front of the engine compartment. No leaks at the rocker cover.
>>
>> I'm thinking front seal leak?, rubber seal in sump front end leak?,
>> cracked joint between oil separator can and timing cover? Faulty pcv
>> issue (wrong or clogged valve cover cap)?
>>
>> Is it possible that something wrong in the pcv system would cause
>> significant oil blowing out of the front seal?
>>
>> Any thoughts or guidance on tests, measurements or inspections that
>> minimize the extent of parts removals to help diagnose? It's a bear
>> to get the radiator out and in.
>>
>> I haven't done a compression test, yet, but plan to do one this morning.
>>
>> Attached foto shows some kinks in the radiator grill - they are an
>> artifact of the panorama function in my iPhone camera - not wrinkles
>> in the core. ;-)
>>
>> I'd like to take the car up to the British Invasion Saturday without
>> wrecking the engine and without filling the trunk with gallons of GTX
>> 10W40.
>>
>> Any thoughts appreciated.
>>
>> Walt
>> 60 Bugeye ... so close to being done.
>>
>> <Pre-bonnet.jpg>
>> ------------------------
>>
>>
>> Donate: http://www.team.net/donate.html
>> Suggested annual donation: $12.75
>>
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/spridgets/daredelvis@gmail.com
>
>
> ------------------------
>
> spridgets@autox.team.net
>
> Donate: http://www.team.net/donate.html
> Suggested annual donation: $12.75
>
> Archive: http://www.team.net/archive
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<font size="+1"><font face="Arial">I had a similar problem on my 67
Midget vintage race car at last December's race. Oil on the hot
header sent up smoke that got me black flagged. After checking
it out in my garage later, it seemed like it was the front
engine plate. Pulled the engine and discovered that it was in
fact a little less than completely flat and the the oil pan had
a dent from the inside that was causing a less than flat seal
with the bottom of the block. That's what I get from using parts
from parts cars, despite checking them out.<br>
<br>
Replaced both with other parts from parts cars and thought all
was well, until the race this past weekend when the same thing
happened, although less oil and smoke. <br>
<br>
Oil leaks are very often one of the hardest things to find and
fix. They also often require some trial and error - fix what you
think was the offending part, put the engine back in the car and
find the leak is still there once it is up to pressure and
temperature. If you can determine where the oil is really coming
from it makes the fix easier. Arterial leaks are rare. It
usually requires an engine removal, tear-down and inspection. If
you are lucky it is an obvious gasket or flatness problem. But
it still requires a fix, re installation, and running up to
normal pressure and temperature before you know for sure it is
fixed. At least that's my experience.<br>
<br>
Now I have another wonderful opportunity to gain some more
experience.<br>
<br>
Lots of luck with your leak.<br>
<br>
Bob<br>
<br>
<br>
</font></font>
<div class="moz-cite-prefix">On 9/15/2015 2:30 PM, daredelvis--- via
Spridgets wrote:<br>
</div>
<blockquote
cite="mid:381CFA4A-3770-4CB1-9B6C-12F4A88E0C07@gmail.com"
type="cite">
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<div>I had a similar problem with a rebuilt 948. It was a poorly
installed timing chain cover gasket. I got all of my money back
from the builder ($0). </div>
<div>Brian<br>
<br>
<div><br>
</div>
</div>
<div><br>
On Sep 15, 2015, at 10:30 AM, Walt Swift via Spridgets <<a
moz-do-not-send="true" href="mailto:spridgets@autox.team.net";><a
class="moz-txt-link-abbreviated"
href="mailto:spridgets@autox.team.net";>spridgets@autox.team.net</a></a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<div style="color:#000; background-color:#fff;
font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial,
Lucida Grande, sans-serif;font-size:16px">
<div id="yiv9610920777">
<div id="yui_3_16_0_1_1442338181326_2867">
<div
style="color:#000;background-color:#fff;font-family:HelveticaNeue,
Helvetica Neue, Helvetica, Arial, Lucida Grande,
sans-serif;font-size:16px;"
id="yui_3_16_0_1_1442338181326_2866">
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085">Just
took the Bugeye for a 20 mile test run after
restoration. And I gotta leak - a serious one.
Front end.</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">1275 cc engine (rebuilt I think), 60 psi
oil pressure, hums nicely, New PCV valve and tube
connections to the front timing cover can and the
intake manifold seem tight. Not a bad leak when
sitting, idling tuning carbs, but moderate driving
(< 3,500 rpm - 20 miles) and my garage floor has
a 1/4 pt. puddle. </div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">A lot of the oil lays on the frame cross
member before rolling onto the floor. But the fan
blades are clean, and oil isn't sprayed all over the
front of the engine compartment. No leaks at the
rocker cover.</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">I'm thinking front seal leak?, rubber seal
in sump front end leak?, cracked joint between oil
separator can and timing cover? Faulty pcv issue
(wrong or clogged valve cover cap)?</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">Is it possible that something wrong in the
pcv system would cause significant oil blowing out
of the front seal?</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">Any thoughts or guidance on tests,
measurements or inspections that minimize the extent
of parts removals to help diagnose? It's a bear to
get the radiator out and in.</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">I haven't done a compression test, yet,
but plan to do one this morning.</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">Attached foto shows some kinks in the
radiator grill - they are an artifact of the
panorama function in my iPhone camera - not wrinkles
in the core. ;-)</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">I'd like to take the car up to the British
Invasion Saturday without wrecking the engine and
without filling the trunk with gallons of GTX 10W40.
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">Any thoughts appreciated.</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">Walt</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr">60 Bugeye ... so close to being done.</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"><br>
</div>
<div id="yiv9610920777yui_3_16_0_1_1442325779756_4085"
dir="ltr"> </div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
<blockquote type="cite">
<div><Pre-bonnet.jpg></div>
</blockquote>
<blockquote type="cite">
<div><span>------------------------</span><br>
<span></span><br>
<span><a moz-do-not-send="true"
href="mailto:spridgets@autox.team.net";>spridgets@autox.team.net</a></span><br>
<span></span><br>
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href="http://www.team.net/donate.html";>http://www.team.net/donate.html</a></span><br>
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<span></span><br>
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</blockquote>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">------------------------
<a class="moz-txt-link-abbreviated"
href="mailto:spridgets@autox.team.net";>spridgets@autox.team.net</a>
Archive: <a class="moz-txt-link-freetext"
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Forums: <a class="moz-txt-link-freetext"
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