[Gmecm] a question of timing

[William Lucke]

Did you already buy the MSD unit?
Have you though about using a FAST eDist to run the coils from the 
'749's ignition output?


Will



> From: Mike V <efi at dyakron.com>
> Subject: Re: [Gmecm] a question of timing
> 
> At 08:18 AM 3/13/2006 -0800, you wrote:
>> If memory serves me correctly yes it is +5V.
>>   The tach signal has to be a clean, electronic signal. I tried to use
>> several different circuits to make a points system work in this manner and
>> it took some very complex filtering circuitry to prevent multiple triggering
>> as the points "bounced." What sort of ignition setup do you have that will
>> provide the signal?
>>   Later,
>> David
> 
> Thanks David,
> My signal source won't be a points setup, but that is very interesting info
> all the same.  It will be an MSD 6010 ignition controller that manages the
> spark on late model LSx engines.  It was intended for people who want
> to use carbs, but I'd like to use a 7749 for fuel.  I have most of the parts
> on hand and want to do it inexpensively while learning as much as I can.
>   I fell into a really cheap 2001 LR4 crate engine last year and that helped
> to define my current direction.   That, and I really like the 7749 ECM and
> want to use it in this project if I can.   The MSD 6010 plugs directly the
> LSx family coil-near-plug sub-harness and acts as a programable ignition
> controller for both one and two-bar GM MAP sensors.   The manual shows
>   a wire that provides a 12v tack signal.  This looks like a simple way to run
> an LS1 family engine with just about any V8 ECM.  I may be wrong  8-(
> but II intend to try it.  The vehicle is a 1946 Chevy panel truck.
> It is long way from "done" at the moment.
> 
> http://www.enzoco.com/mike/truck/p2page8.htm
> 
> Mike V