[Diy_efi] My Tach is crazy, Ignition problem.

[Facundo Lozano Ureta]

My tach is connected on Tach Terminal on the GM HEI, I will chek this.
  ----- Original Message ----- 
  From: Lee M. Lemoine 
  To: diy_efi at diy-efi.org 
  Sent: Wednesday, November 09, 2005 1:07 AM
  Subject: Re: [Diy_efi] My Tach is crazy, Ignition problem.


  Where do you have your tach pulse connected to?  It should be on the five wire connector, generally on the solid white wire..  

  -- LL


  On 11/8/05, Dustin Lof <bubblesjrtwo at yahoo.com> wrote:
    Is your ignition module grounded good, not just the
    metal backing but both screws that secure it, the
    metal under the screws are the actual ground and need
    to make a good connection. the metal backing is just a
    heat sink.

    how does it run with the tach disconnected?


    --- Facundo Lozano Ureta <flozano at twistedandes.com>
    wrote:

    > Only the TBI, and GM HEI Distributor, but my engine 
    > is Still being a Toyota
    > 2F inline 6 Cilynder.
    >
    >
    > ----- Original Message -----
    > From: "Dustin Lof" <bubblesjrtwo at yahoo.com >
    > To: <diy_efi at diy-efi.org>
    > Sent: Tuesday, November 08, 2005 12:13 AM
    > Subject: Re: [Diy_efi] My Tach is crazy, Ignition
    > problem.
    >
    >
    > >
    > > Are you installing a 4.3 or just the tbi?
    > > is it a GM module and coil or is it MSD?  Dustin
    > Lof
    > > --- Facundo Lozano Ureta
    > < flozano at twistedandes.com>
    > > wrote:
    > >
    > >> Hello
    > >>
    > >> I have a toyota Land Cruiser with 2F engine (I6)
    > and
    > >> I'm installing a 4.3 
    > >> Chevy TBI.
    > >> My engine run, but my tach is crazy on high RPM
    > >> (2500 RPM) and some times at
    > >> IDLE, and at the same time my ignition don't fire
    > >> when the tach is crazy. 
    > >> My ignition module is new, I use an 1227747 ECM,
    > and
    > >> a custom chip.  I have
    > >> a GM HEI Dist, and the ignition module is
    > installed
    > >> outside of the 
    > >> distributor.
    > >> When I disconect the timing connector, My tach
    > work
    > >> grat and my ignition
    > >> work witout fails.
    > >> any idea?
    > >> may be I have problems with my custon chip or my 
    > >> coil?
    > >>
    > >>
    > >>
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    > >>
    > >
    > >
    > >
    > > 
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  -- 
  Sincerely,

  Lee M. Lemoine
  http://www.turbochargedsoul.com/ 


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