[Fot] Urgent tuning help needed

[dos_gusanos at msn.com]

Thanks, I'll check out all that.  I have noticed that the voltage at the coil
is low, like 7.5 volts.  when the battery gets low, as the charging system is
giving me fits, the car seems to run worse.  I'll take my computer and give
the list the blow by blow.  I'll also take a look at the fuel
pressure...............Cheers Henry

> From: tr3driver at ca.rr.com
> To: fot at autox.team.net
> Date: Wed, 10 Jun 2009 14:55:18 -0700
> Subject: Re: [Fot] Urgent tuning help needed
>
> > At idle the HC goes way up.
>
> High HC indicates misfiring (possibly only partially). Might be due to
> mixture too lean, but I would suspect ignition problems first. Make sure
> the Allison module is getting a full 12v, and that the coil is getting the
> voltage it expects. IOW, if the coil requires a ballast resistor, the
> Allison should get power from before the resistor.
>
> FWIW, on one of my Stags with an Allison, the shutter assembly didn't fit
> over the point cam properly, and had been broken and glued. The break was
> spread open, meaning that the timing was different for each cylinder. Also,
> when I fitted a Crane (which is very similar to the Allison) to my TR3, I
> had a terrible time getting the phasing just right. Eventually figured out
> that the rotor had a "counterweight" cast into it that was thumping the
> pickup on every revolution.
>
> In both cases, the engine never did seem to run quite as well with the
> optical pickup, as with points.
>
> Randall
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