air-fuel ratio to temp

[Jonathan R. Lusky]

Robert Gallant writes:
> > >boost tuning and suggested a "safe" setting of 1600-1700 F for the rotary.
> > WOW... 1600-1700 is a lot...
> Not for the rotary.  I've seen temps as high as 1900 F (when the engine was 
> normally aspirated).  This is normal!
 
Gotta love them slow-burnin Wankels :)

> > Also understand that the O2 sensor isn't linear.. at 14.7:1 A/F, it should
> > be .45-.5 volts... After that it just means it is richer/leaner than stoich,
> 
> Yep, realized this.  But when I see .2..v, I know its lean (and it shouldn't be 
> reading this while under boost, especially at 7000 rpm :-).

Well, it's either lean OR you have a poor ground between the sensor and
meter.  I've been burned by that once or twice...

-- 
Jonathan R. Lusky                        lusky at knuth.mtsu.edu
http://www.edge.net/~lusky/                 (615) 726-8700
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68 Camaro Convertible - 350 / TH350  \_/ 80 Toyota Celica - 20R / 5spd