Injector duty cycle formula? Graphing diagnostics
nacelp
nacelp at bright.net
Sun May 14 00:28:41 GMT 2000
> I'll upload the actual data if you want, or I could send it to you.
Do you have an ol .gdf (diacom) of it?.
That would be fine.
> The MPH is on the graph. The RPM is on the graph.
Expressed as what (where;s the labeling for the actual mph)?.
I think the scale shows the max as 6,500 for rpm, but I'm guessing, and I
shouldn't have to do that.
> What exactly would be most helpful for you to see the data? Be specific
> (like KR) It starts coming up from about the middle of the graph. Do
> any of you guys have Excell? I can upload that file for everyone.
I'm not impressed trying to read excel stuff, and usually just buzz by it.
> I think your screen is too small. ;^)
So do I, ya wanna give me a larger one? a 21" Flat Screen would be about
right.
> BTW my duty cycle on stock injectors and stock Prom shows over 80% from
> 6000 - 6900 RPM. Is that bad or ok? The top is 86%.
If the plugs are looking reasonable then that's fine. Have you done any
performance testing thou?.
>I'm a newbie and this is really helping my
> comprehension. I am actually getting to see data from my car and not
> someone elses.
Takes a while, like reading plugs, fine art, etc,
> I can make a graph with the data fields attached to the HTML and just
> the data fields that you want. Also what would be the max screen size?
> If it is too small then a graph is hard to read (hence the large size
> for multiple datasets)
RPM, TPS, MPH, O2, KR, should about cover it for diagnostics
Pulse width, degrees advance, KR, O2 are then great tuning items.
Then if you see a specific problem, easier to zoom onto other stuff MAP/MAF,
FP testing then brining other tools to bare.
Using things for specific reasons, makes the data more mangeable, least to
me.
Grumpy
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