Lambda value/ AFR correlation

[Frank F Parker]

> > 
> > The NGK is quite good but expensive from Horriba.
> 
>   How expensive is expensive? Where is a source? What are the
> characteristics of the NGK? (blasting questions at you)

Horriba costs $2400 from Horriba in Ann Arbor
Bailey is about 1/2 of Horriba-available from Bailey at netquest.com

>   I suppose as a measurement of engine-threatening extremes,
> the O2 sensor could be deemed adequate? For my purposes in
> my system, I am really at first just hoping to use a
> heated O2 sensor to warn that my system is failing to
> the point of danger, I really should debug with the
> engine off.

Std O2 sensor will work fine for that.

frank