Honda Direct Fire Coils
James Ballenger
vtjballeng at yifan.net
Sat Feb 24 23:30:45 GMT 2001
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Electromotive uses a cam wheel for sequential fuel injection as I understand
it. Their ignition system is extremely powerful and effective, they are
great units. The Haltech E6S-8 (fuel & ignition) has 5 outputs also. If I
used 4 for ignition it would only leave me one for fuel Ideally I would
have 4 for ign, 4 for fuel, 2 thermofan outputs, 1 ignition kill, and a few
more things... As it stands I did 2 for fuel, 2 for ign and 1 thermofan and
I am all out! Honda must use that second cam sensor for something else....
VTEC?
James Ballenger
-----Original Message-----
From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
Behalf Of Chris Capowski
Sent: Saturday, February 24, 2001 3:08 PM
To: diy_efi at diy-efi.org
Subject: Re: Honda Direct Fire Coils
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 -----
From: Bob Wooten
To: diy_efi at diy-efi.org
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 color=3D#0000ff face=3DArial size=3D2><SPAN=20
class=3D315185221-24022001>Electromotive uses a cam wheel for sequential =
fuel=20
injection as I understand it. Their ignition system =
is extremely=20
powerful and effective, they are great units. The Haltech =
E6S-8 (fuel=20
& ignition) has 5 outputs also. If I used 4 for ignition =
it would=20
only leave me one for fuel Ideally I would have 4 for ign, 4 for =
fuel, 2=20
thermofan outputs, 1 ignition kill, and a few more =
things...=20
As it stands I did 2 for fuel, 2 for ign and 1 thermofan and I am =
all=20
out! Honda must use that second cam sensor for something else....=20
VTEC?</SPAN></FONT></DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN=20
class=3D315185221-24022001></SPAN></FONT> </DIV>
<DIV><FONT color=3D#0000ff face=3DArial size=3D2><SPAN =
class=3D315185221-24022001>James=20
Ballenger</SPAN></FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: =
0px; PADDING-LEFT: 5px">
<DIV align=3Dleft class=3DOutlookMessageHeader dir=3Dltr><FONT =
face=3DTahoma=20
size=3D2>-----Original Message-----<BR><B>From:</B> =
owner-diy_efi at diy-efi.org=20
[mailto:owner-diy_efi at diy-efi.org]<B>On Behalf Of </B>Chris=20
Capowski<BR><B>Sent:</B> Saturday, February 24, 2001 3:08 =
PM<BR><B>To:</B>=20
diy_efi at diy-efi.org<BR><B>Subject:</B> Re: Honda Direct Fire=20
Coils<BR><BR></DIV></FONT>
<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). 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> </DIV>
<DIV><FONT face=3DArial size=3D2>For my Civic motor however, I will =
use a cam=20
sensor wheel which luckily enough I can purchase as a bolt on from=20
Electromotive. Not sure why Electomotive uses a cam wheel =
instead=20
of a crank wheel as their own system for the Honda uses a wasted spark =
system=20
(must just be easier to package on the car) As for having four =
output=20
channels for the four coils, the Haltech ignition box has 5 outputs, =
so all=20
four coils will get separate signals no problem.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Chris "Mighty Mouse" =
Capowski</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-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 href=3D"mailto:r71chevy at earthlink.net" =
title=3Dr71chevy at earthlink.net>Bob=20
Wooten</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
href=3D"mailto:diy_efi at diy-efi.org"=20
title=3Ddiy_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. I am thinking that =
there has to=20
be some kind of sensor to tell the CPU what plug to fire. =
maybe off of=20
the alternator?</DIV>
<DIV> </DIV>
<DIV>BW</DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; MARGIN-LEFT: 5px; =
PADDING-LEFT: 5px; PADDING-RIGHT: 0px"><FONT=20
face=3DArial=20
size=3D2></FONT> </BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BODY></HTM=
L>
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