Honda Direct Fire Coils

Sat Feb 24 20:02:43 GMT 2001

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The S2000 has two cam sensors (one three tooth wheel on each cam) plus a =
crank pos sensor (12 tooth wheel).  As far as I know this is how it =
works on all the other Honda DIS systems (Accord, Oddysey, Insight, =
Civic....) as well.

For my Civic motor however, I will use a cam sensor wheel which luckily =
enough I can purchase as a bolt on from Electromotive.  Not sure why =
Electomotive uses a cam wheel instead of a crank wheel as their own =
system for the Honda uses a wasted spark system (must just be easier to =
package on the car) As for having four output channels for the four =
coils, the Haltech ignition box has 5 outputs, so all four coils will =
get separate signals no problem.

Chris "Mighty Mouse" Capowski
  ----- Original Message -----=20
  From: Bob Wooten=20
  To: diy_efi at diy-efi.org=20
  Sent: Thursday, February 22, 2001 2:57 AM
  Subject: RE: Honda Direct Fire Coils

  The cool factor VERY high indeed.  I am thinking that there has to be =
some kind of sensor to tell the CPU what plug to fire.  maybe off of the =
alternator?

  BW

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<DIV><FONT face=3DArial size=3D2>The S2000 has two cam sensors (one =
three tooth=20
wheel on each cam) plus a crank pos sensor (12 tooth wheel).&nbsp; As =
far as I=20
know this is how it works on all the other Honda DIS systems (Accord, =
Oddysey,=20
Insight, Civic....) as well.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>For my Civic motor however, I will use =
a cam sensor=20
wheel which luckily enough I can purchase as a bolt on from =
Electromotive.&nbsp;=20
Not sure why Electomotive uses a cam&nbsp;wheel instead of a crank wheel =
as=20
their own system for the Honda uses a wasted spark system (must just be =
easier=20
to package on the car)&nbsp;As for having four output channels for the =
four=20
coils, the Haltech ignition box has 5 outputs, so all four coils will =
get=20
separate signals no problem.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Chris "Mighty Mouse" =
Capowski</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=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=3Dr71chevy at earthlink.net =
href=3D"mailto:r71chevy at earthlink.net">Bob=20
  Wooten</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> Thursday, February 22, =
2001 2:57=20
  AM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> RE: Honda Direct Fire=20
Coils</DIV>
  <DIV><BR></DIV>
  <DIV>The cool factor VERY high indeed.&nbsp; I am thinking that there =
has to=20
  be some kind of sensor to tell the CPU what plug to fire.&nbsp; maybe =
off of=20
  the alternator?</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>BW</DIV>
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  style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid"><FONT=20
    face=3DArial =
size=3D2></FONT>&nbsp;</BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>

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