Author Topic: Gnarly4X's 22RE Rebuild  (Read 193485 times)

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Gnarly4X

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Re: Gnarly4X's 22RE Rebuild
« Reply #390 on: Oct 14, 2016, 04:31:34 AM »
they can handle the heat pretty well.

Hey 79coyotefrg,

The zirconium style O2 sensors have an operating range of about 400d F to about 1200d F.  Exhaust gases are typically about 600d F at exhaust manifold when engine is at normal operating temperature.

I just don't know how much hotter the exhaust gases would be at the peak of on over-heated engine that heats up and stalls, and at what temperature the O2 sensor actually fails or is destroyed. :dunno:

Gnarls.  :spin:
1986 XtraCab SR5 22RE 5speed W56B, ~26,000 MI after break-in, DIM (Did It Myself) rebuilt engine - .020" over, engnbldr RV head, OS valves, 261C cam, DT Header. https://imgur.com/oACTHTR

 
 
 
 
 

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