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Re: O2 sensor Primer

>Prolly 'cause they are using leaded fuel.  If not that, then I don't know 
>why.  I can't believe its the heat since rotary engines produce even more 
>heat with no loss in O2 sensor life.  I don't _think_ excessively rich 
>mixtures will reduce the lifespan too much, but I was wrong once or twice 
>before...  :-)  (Contrary to Bob D's belief  :-)

No Leaded Fuel here Graydon.  I'm Thinking Heat, Flow and velocity.


Eric Fletcher
St. Louis, MO