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<DIV style="FONT-SIZE: 14pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">
<DIV><FONT size=4>Kelvin,</FONT></DIV>
<DIV><FONT size=4>Years ago I made a nice little cold air ram box for my MGA
after seeing the one on the LeMans Healey 100. Made mine from a Radio Shack
aluminum box chassis with a aluminum plate screwed on the back. Worked like a
charm and I even had a little Brillo pad type air strainer in the section of the
radiator mounting plate where the hose went through. Just put a screen on the
metal, filled the area with steel wool, and screened up the other side before
mounting the hose. I used the heater air hose sized stuff so it would mount up
nice and easy. I found that the increased air pressure in the carbs tended to
lift the floats and shut off the gas flow until I routed the little overflow
pipes from the carb float chambers into the ram air box. That seemed to equalize
things.....Gosh this was in about 19ought 59 I was doing this stuff to go a tiny
bit faster. I used little short about 3/4 inch long velocity stacks
as I remember, inside the cold air box.</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>Wombat</FONT></DIV>
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<DIV style="BACKGROUND: #f5f5f5">
<DIV style="font-color: black"><B>From:</B> <A title=doddk@mossmotors.com
href="mailto:doddk@mossmotors.com">Kelvin Dodd</A> </DIV>
<DIV><B>Sent:</B> Friday, November 15, 2013 12:26 PM</DIV>
<DIV><B>To:</B> <A title=zmagnette@autox.team.net
href="mailto:zmagnette@autox.team.net">List for the Z Magnette Group - North
America</A> </DIV>
<DIV><B>Subject:</B> Re: [Zmagnette] Stub stacks</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d">The
point is that if you smooth out the air flow at the transition from filter plate
to carburetor throat, more air can pass since there is less effective
constriction caused by the edge affected air flow. <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d"><o:p></o:p></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d">On
this note. Once you do have your MG engines tuned up and happy. Moss has been
working on a cold air intake with integral ram pipe design that was recently
approved for production. <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d"><o:p></o:p></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d">This
was primarily developed for the MGA and MGB, but would probably fit nicely on a
Magnette. I’ll get more information to the list when the project is
finalized. <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d"><o:p></o:p></SPAN> </P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d">Kelvin.
<o:p></o:p></SPAN></P>
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style="FONT-SIZE: 11pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d"><o:p></o:p></SPAN> </P>
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<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">
zmagnette-bounces@autox.team.net [mailto:zmagnette-bounces@autox.team.net] <B>On
Behalf Of </B>Wayne & Isabel Hardy<BR><B>Sent:</B> Friday, November 15, 2013
9:16 AM<BR><B>To:</B> Michael Anderson; List for the Z Magnette Group - North
America<BR><B>Subject:</B> Re: [Zmagnette] Stub
stacks<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p></o:p> </P>
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<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 13.5pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: black">Well
funny thing is that several automotive engineers and motor builders have done a
lot of work with flow benches and the like, (D. Vizard for one) and have shown
that these properly built Velocity stacks will INCREASE flow into the carb
mouth..ie allow MORE air in, not just smooth it out. I don’t have my flow
measuring devices any more, but don’t question what the engineering elves like
David Vizard say on this matter.</SPAN><SPAN
style="FONT-SIZE: 14pt; FONT-FAMILY: 'Calibri','sans-serif'; COLOR: black"><o:p></o:p></SPAN></P></DIV>
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<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'; COLOR: black"> <o:p></o:p></SPAN></P></DIV></DIV></DIV>
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<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: black"><o:p></o:p></SPAN> </P></DIV></DIV></DIV></DIV>
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