[Diy_efi] formulas for CFM rates
Mark Linder
mark.linder at verizon.net
Tue Dec 16 00:40:49 GMT 2003
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Sorry, I should have been more specific - I need to calculate the CFM of
air through a throttle body.
Thanks!
Mark
-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]
On Behalf Of Oolan Zimmer
Sent: Monday, December 15, 2003 4:18 PM
To: A list for Do-It-Yourself EFI
Subject: Re: [Diy_efi] formulas for CFM rates
Isn't the CFM of a 4-cycle engine just the displacement/2 x RPM? 1
liter = .0353147 CF.
Oolan Zimmer
ozimmer at softhome.net
----- Original Message -----
From: Mark <mailto:mark.linder at verizon.net> Linder
To: diy_efi at diy-efi.org
Sent: Monday, December 15, 2003 5:50 PM
Subject: [Diy_efi] formulas for CFM rates
Back on the old list someone had posted the formula for calculating CFM
based on bore size. Does anyone have that formula?
Also, if anyone knows the CFM rating of a 75mm Mustang style throttle
body, please post it.
Thanks!
Mark
<http://www.newsolutionsnw.com/>
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<DIV><SPAN class=3D414163300-16122003><FONT face=3DArial color=3D#0000ff =
size=3D2>Sorry,=20
I should have been more specific - I need to calculate the CFM of =
air=20
through a throttle body.</FONT></SPAN></DIV>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2></FONT> </DIV>
<DIV> </DIV>
<DIV align=3Dleft><FONT face=3DArial color=3D#0000ff =
size=3D2>Thanks!</FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT> </DIV>
<DIV align=3Dleft><FONT face=3DArial color=3D#0000ff =
size=3D2>Mark</FONT></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr =
align=3Dleft><FONT=20
face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B>=20
diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] <B>On =
Behalf=20
Of </B>Oolan Zimmer<BR><B>Sent:</B> Monday, December 15, 2003 4:18=20
PM<BR><B>To:</B> A list for Do-It-Yourself EFI<BR><B>Subject:</B> Re:=20
[Diy_efi] formulas for CFM rates<BR><BR></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Isn't the CFM of a =
4-cycle engine just the=20
displacement/2 x RPM? 1 liter =3D .0353147 CF.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Oolan Zimmer</FONT></DIV>
<DIV><FONT face=3DArial size=3D2><A=20
=
href=3D"mailto:ozimmer at softhome.net">ozimmer at softhome.net</A></FONT></DIV=
>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dmark.linder at verizon.net =
href=3D"mailto:mark.linder at verizon.net">Mark=20
Linder</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Ddiy_efi at diy-efi.org=20
href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, December 15, =
2003 5:50=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [Diy_efi] formulas =
for CFM=20
rates</DIV>
<DIV><BR></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D938244723-15122003>Back on the old=20
list someone had posted the formula for calculating CFM based on =
bore=20
size. Does anyone have that formula?</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D938244723-15122003></SPAN></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D938244723-15122003>Also, if anyone=20
knows the CFM rating of a 75mm Mustang style throttle body, please =
post=20
it.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D938244723-15122003></SPAN></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D938244723-15122003>Thanks!</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D938244723-15122003></SPAN></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D938244723-15122003>Mark</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV align=3Dleft>
<DIV align=3Dleft><FONT face=3DArial size=3D2><A=20
href=3D"http://www.newsolutionsnw.com/"></A></FONT></DIV></DIV>
<P>
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<P></P>_______________________________________________<BR>diy_efi =
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list<BR><A =
href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A><BR><A=20
=
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