Re: Are my posts making it? was Speedometer Scaling

["nacelp" <nacelp@bright.net>]

Your posts have made it.
I for one don't have a clue where to even point you.
While the list is a great source of info., There are some things that aren't
known.
We need an inside guy at gm to get us a copy of all the internal documents,
legally of course.   <G>
Grumpy


> I've posted this question a couple of times, and refusing to believe that
> no one here knows the answer, I'm curious as to whether my posts are
> actually making it to the list!
>
> ---
> In the $EE PCM from my '94 Vette there are three values that contribute to
> the speedometer scaling.  With a 3.08 rear end and a 285-40ZR17 tire, they
> are:
>
> Speedometer Scaler:  25
> Speedometer Scaler Fraction: .984
> Scan Tool Speedometer Scaler: 41.5
>
> (These number are after massaging into some unknown units by TunerCat
> software).   Could someone summarize what these numbers mean in the real
> world, and how one would tweak them for a gear change to, say, 3.45:1?
>
> Thanks for any info!
>
> _ Dave
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