[Diy_efi] GM TBI electrical details

Brian McMahan BMcMahan at superchips.com
Thu Dec 16 19:31:24 GMT 2004


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Wiring the injectors in series is quite common with after market systems =
you just have to compensate for the resistance of two injectors instead =
of one.
=20

Sohfast

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On =
Behalf Of Jim Butterfield
Sent: Thursday, December 16, 2004 2:01 PM
To: A list for Do-It-Yourself EFI
Subject: Re: [Diy_efi] GM TBI electrical details


Yea about as ambitous of taking a big engine from a Grand Prix engine =
bay and stuffing it into a small crampted Grand Am.... I wonder if the =
timing of the GM v6 efi is compatable with a V12 that your working on... =
maybe you could split signals and fire two cylinders off one signal from =
the pcm??? not sure if it would work but its an idea to consider...
=20
jim

WSCowell at aol.com wrote:


Hi Jim, and thanks. =20
=20
Although I no longer work in digital electronics, that's my background.  =
I am getting more and more interested in this specialist field because I =
am restoring a Jaguar Sovereign Series 3 with the V12 engine.  As soon =
as the bodywork restoration is complete I will start work on the engine =
etc.  The program is as follows:
=20
1.    Convert to manual 5 speed transmission.
=20
2.    Proper exhaust headers rather than the cast iron units
=20
3.    throw away the Lucas efi ECU and fit MegaSquirt with =
distributorless "wasted spark" ignition.
=20
Ambitious huh?
=20
Wish me luck!
=20
Regards
=20
Will
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__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around=20
http://mail.yahoo.com=20


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<HTML><HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Diso-8859-1">


<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR></HEAD>
<BODY>
<DIV><SPAN class=3D330330619-16122004><FONT face=3DTahoma =
color=3D#ff0000=20
size=3D2>Wiring the injectors in series is quite common with after =
market systems=20
you just have to compensate for the resistance of two injectors instead =
of=20
one.</FONT></SPAN></DIV>
<DIV>&nbsp;</DIV>
<P><FONT face=3D"Copperplate Gothic Light" size=3D2><SPAN=20
class=3D330330619-16122004>Sohfast</SPAN></FONT></P>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
  <DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT =
face=3DTahoma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> =
diy_efi-bounces at diy-efi.org=20
  [mailto:diy_efi-bounces at diy-efi.org]<B>On Behalf Of </B>Jim=20
  Butterfield<BR><B>Sent:</B> Thursday, December 16, 2004 2:01 =
PM<BR><B>To:</B>=20
  A list for Do-It-Yourself EFI<BR><B>Subject:</B> Re: [Diy_efi] GM TBI=20
  electrical details<BR><BR></FONT></DIV>
  <DIV>Yea about as ambitous of taking a big engine from a Grand Prix =
engine bay=20
  and stuffing it into a small crampted Grand Am.... I wonder if the =
timing of=20
  the GM v6 efi is compatable with a V12 that your working on... maybe =
you could=20
  split signals and fire two cylinders off one signal from the pcm??? =
not sure=20
  if it would work but its an idea to consider...</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>jim<BR><BR><B><I>WSCowell at aol.com</I></B> wrote:</DIV>
  <BLOCKQUOTE class=3Dreplbq=20
  style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px =
solid">
    <META content=3D"MSHTML 6.00.2900.2523" name=3DGENERATOR><FONT =
id=3Drole_document=20
    face=3DArial size=3D2>
    <DIV>Hi Jim, and thanks.&nbsp; </DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Although I no longer work in digital electronics, that's my=20
    background.&nbsp; I am getting more and more interested in this =
specialist=20
    field because I am restoring a Jaguar Sovereign Series 3 with the =
V12=20
    engine.&nbsp; As soon as the bodywork restoration is complete I will =
start=20
    work on the engine etc.&nbsp; The program is as follows:</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>1.&nbsp;&nbsp;&nbsp;&nbsp;Convert to manual 5 speed =
transmission.</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>2.&nbsp;&nbsp;&nbsp;&nbsp;Proper exhaust headers rather than =
the cast=20
    iron units</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>3.&nbsp;&nbsp;&nbsp;&nbsp;throw away the Lucas efi ECU and fit=20
    MegaSquirt with distributorless "wasted spark" ignition.</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Ambitious huh?</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Wish me luck!</DIV>
    <DIV>&nbsp;</DIV>
    <DIV>Regards</DIV>
    <DIV>&nbsp;</DIV>
    =
<DIV>Will</DIV></FONT>_______________________________________________<BR>=
diy_efi=20
    mailing=20
    =
list<BR>diy_efi at diy-efi.org<BR>http://lists.diy-efi.org/mailman/listinfo/=
diy_efi<BR></BLOCKQUOTE>
  <P>__________________________________________________<BR>Do You=20
  Yahoo!?<BR>Tired of spam? Yahoo! Mail has the best spam protection =
around=20
  <BR>http://mail.yahoo.com </P></BLOCKQUOTE></BODY></HTML>

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