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<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=734283813-04092015>Now
that's interesting. The float bowl must be vented to allow easy fuel
flow. </SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN
class=734283813-04092015></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=734283813-04092015>The
Autolite has 2 vent tubes inside the air cleaner and 1 outside. Why was
the outside vent needed?</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN
class=734283813-04092015></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=734283813-04092015>Still
this matters little if fuel is being pumped out the vents and there is a
backfire. You still have a fire.</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN
class=734283813-04092015></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=734283813-04092015>The
cause of the fuel pumping out has to be fixed first no matter what
carb.</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN
class=734283813-04092015></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=734283813-04092015>Ron
Fraser</SPAN></FONT></DIV>
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<DIV></DIV>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left><FONT size=2
face=Tahoma>-----Original Message-----<BR><B>From:</B> Larry Mayfield
[mailto:drmayf@mayfco.com] <BR><B>Sent:</B> Friday, September 04, 2015 7:16
AM<BR><B>To:</B> rfraser@bluefrog.com; 'Stu'; Tiger List<BR><B>Subject:</B>
RE: [Tigers] Interesting carburetor Observation<BR><BR></FONT></DIV>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Seems to me that the float
bowl must be vented to atmosphere in some manner, for the carb to function.
The old Ford carburetors went the simplest route they could, vented right on
top of the bowl cover. The very easiest fix is to install one of the small
Holley 2 BBL carbs which have the vent system inside the air filter ring area
on the top of the carb. Either the 350 or 500 cfm versions work
well. <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d">Mayf<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN style="COLOR: #1f497d"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri',sans-serif; COLOR: #1f497d; FONT-SIZE: 11pt">_________________________<BR>drmayf<BR>Worlds
Fastest Sunbeam, period.<BR>204.913 mph flying mile<BR>210.779 mph top
speed<o:p></o:p></SPAN></P>
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