[Diy_efi] My Tach is crazy, Ignition problem.

[Dustin Lof]

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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> 
> 
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