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<p>Sorry about the double post. I forgot to change the subject. <span
class="moz-smiley-s2"><span>:-(</span></span></p>
<p>I managed to get one bowl cover off once while the needle was
stuck shut & the float had dropped away from it. Just lightly
touching it made the needle drop. There has never been any
residue in the bowls but I may replace the fuel hoses JIC that
they are decomposing internally. I've never been able to detect
any deposits on the needle tips though.</p>
<p>Here's another thing; the floats in my carbs are all plastic, not
as shown in all the exploded views I've seen. Perhaps I ought to
replace them with the adjustable plastic/metal ones. What do you
think?</p>
<p>CR<br>
</p>
<br>
<div class="moz-cite-prefix">On 4/24/2017 7:40 AM, PaulHunt73 wrote:<br>
</div>
<blockquote cite="mid:532CEAD6FBF6442CA1EB38B1EE851BEF@paul"
type="cite">
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<div><font size="2">Duplicate?</font></div>
<div> </div>
<div><font size="2">Normally I don't get them at all!</font></div>
<blockquote style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT:
5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color:
black"><b>From:</b> <a moz-do-not-send="true"
title="mgs@autox.team.net" href="mailto:mgs@autox.team.net">Charley
& Peggy Robinson via Mgs</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a
moz-do-not-send="true" title="mgs@autox.team.net"
href="mailto:mgs@autox.team.net">mgs@autox.team.net</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Monday, April 24,
2017 12:27 PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> [Mgs] Intermittent
Fuel Starvation</div>
<div><br>
</div>
<span style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
DISPLAY: inline !important; FONT-FAMILY: Arial, Helvetica,
sans-serif; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none;
LETTER-SPACING: normal; COLOR: rgb(0,0,0); FONT-SIZE: 14px;
FONT-WEIGHT: normal; WORD-SPACING: 0px;
font-variant-ligatures: normal; font-variant-caps: normal;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial">Every now and then
the new viton tipped float needles are sticking on one or the
other of my HS-4 carbs. When it happens if I tap on the top of
the offending carb's float bowl using a screwdriver handle and
with the fuel pump energized, the needle valve opens and I can
hear the fuel pump fill the bowl. This started happening in
the summer of 2016. I replaced the needle & seat
assemblies in both carbs with aftermarket units. It didn't
cure the problem.</span><br style="WIDOWS: 2; TEXT-TRANSFORM:
none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal;
TEXT-INDENT: 0px; FONT-FAMILY: Arial, Helvetica, sans-serif;
WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal;
COLOR: rgb(0,0,0); CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT:
normal; WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<span style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
DISPLAY: inline !important; FONT-FAMILY: Arial, Helvetica,
sans-serif; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none;
LETTER-SPACING: normal; COLOR: rgb(0,0,0); FONT-SIZE: 14px;
FONT-WEIGHT: normal; WORD-SPACING: 0px;
font-variant-ligatures: normal; font-variant-caps: normal;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial">Several weeks ago I
put in new OEM viton-tipped needle & seat assemblies. Then
as I was adjusting the jets both carbs ran dry & the
engine stopped. So I tapped on one carb bowl & then the
other, heard the pump run while filling them up. The engine
then started right back up. Last time it happened I had the
engine warming up, running at fast idle when it started
running very rough. I Tapped on the front carb bowl whilst it
was still running & it smoothed right out. Same thing
happened another time but it was the rear carb.<span
class="Apple-converted-space"> </span></span><br
style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<span style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
DISPLAY: inline !important; FONT-FAMILY: Arial, Helvetica,
sans-serif; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none;
LETTER-SPACING: normal; COLOR: rgb(0,0,0); FONT-SIZE: 14px;
FONT-WEIGHT: normal; WORD-SPACING: 0px;
font-variant-ligatures: normal; font-variant-caps: normal;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial">The fuel pump is a ~5
year old SU with points. I measured the fuel pressure at the
carbs to be 4 psi on the nose and it doesn't leak down much or
very fast. It has a new inline fuel filter mounted just before
the carbs. The floats are the all-plastic type and they don't
show any sign of leakage. The floats are very free on the
swivel pins and will drop to the stops.The swivel holes in the
floats aren't visually elongated and the swivel pins don't
show appreciable wear. The carb's vents are clear and I can
blow air through the vent tubes.<span
class="Apple-converted-space"> </span></span><br
style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<span style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
DISPLAY: inline !important; FONT-FAMILY: Arial, Helvetica,
sans-serif; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none;
LETTER-SPACING: normal; COLOR: rgb(0,0,0); FONT-SIZE: 14px;
FONT-WEIGHT: normal; WORD-SPACING: 0px;
font-variant-ligatures: normal; font-variant-caps: normal;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial">I thought maybe the 7
month old gas might be a contributor to the problem but we put
about 100 miles on the car last Tuesday after putting in fresh
mid-grade gas, looking at Hill country wildflowers. The car
will maintain 70 mph in hilly country all day. Ran like a
swiss watch<span class="Apple-converted-space"> </span></span><br
style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<span style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
DISPLAY: inline !important; FONT-FAMILY: Arial, Helvetica,
sans-serif; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none;
LETTER-SPACING: normal; COLOR: rgb(0,0,0); FONT-SIZE: 14px;
FONT-WEIGHT: normal; WORD-SPACING: 0px;
font-variant-ligatures: normal; font-variant-caps: normal;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial">I'm at my wits end on
this. Could pressure somehow be building up in the bowls now
and then? How?<span class="Apple-converted-space"> </span></span><br
style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<span style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
DISPLAY: inline !important; FONT-FAMILY: Arial, Helvetica,
sans-serif; WHITE-SPACE: normal; ORPHANS: 2; FLOAT: none;
LETTER-SPACING: normal; COLOR: rgb(0,0,0); FONT-SIZE: 14px;
FONT-WEIGHT: normal; WORD-SPACING: 0px;
font-variant-ligatures: normal; font-variant-caps: normal;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial">CR</span><br
style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<br style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR:
rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE:
normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(0,0,0);
CLEAR: both; FONT-SIZE: 14px; FONT-WEIGHT: normal;
WORD-SPACING: 0px; font-variant-ligatures: normal;
font-variant-caps: normal; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color:
initial">
<p> </p>
<hr> _______________________________________________<br>
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</blockquote>
</blockquote>
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