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Re: 7747 spark control questions.



The '747 aldl does not output the SA value. It's easy to patch the aldl
xmit table to send it instead of some other value.

BobR.

Programmer wrote:

> >Does the bias not reflect what the distributor initial timing should be set
> at?<<
>
> All the timing decals I've seen are "0" EST bypassed.
>
> >Why would you have a value like this unless it was just for something like
> ALDL output?<<
>
> I don't recall even seeing a spark value on a scan tool for a 7747 truck
> app. Tech 1 maybe ?
>
> >> You could just add 10 degrees to the timing tables and set the
> distributor at 0.  No need for subtraction in the timing table<<
>
> Well---that's how I thought it was.
>
> What is the raw value for the 50kpa@600rpm?
> >
> >Squash
> >

<big snip>

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