[Diy_efi] tuning question

[Michael Richards]

Some of your results will depend upon the accuracy of your WBO2. On my 
Techedge I typically see within 0.1-0.2 points of repeatability given a 
specific load site and provided that all the corrections are working 
properly. If you don't have an accurate IAT signal or CLT for example 
it could account for the variation you see. Also be aware that ignition 
advance will have an effect on the measured AFR.

-Michael

> Is +/- 5% variation within the realm of acceptable for
> a engine of this type?
> 
> I have heard that the wideband O2(NTK) reading can be
> made more accurrate by correcting for EGT. Does anyone
> have an idea of what AFR correction I might apply
> based on EGT?
> 
> 
> Thanks,
> Tim
> 
> 
> 		
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