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Blood, Sweat and Gears...
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I got an AWESOME tune from BBR but the A/F peaked a couple of times at 14. The guys at BBR said the wide-band is more accurate then the sniffer. They said it could be as high as 5 points difference between the sniffer and the wide-band.
Does that sound about right?
 

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I prefer the wideband. A tailpipe sniffer always shows my car leaner than the wideband by .2 - .4 points.

I got an AWESOME tune from BBR but the A/F peaked a couple of times at 14. The guys at BBR said the wide-band is more accurate then the sniffer. They said it could be as high as 5 points difference between the sniffer and the wide-band.
Does that sound about right?
 

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The Mustang Shop
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445 Posts
I prefer the wideband. A tailpipe sniffer always shows my car leaner than the wideband by .2 - .4 points.
That's about what I have seen also. When I dyno tune, I have a wideband sensor that is installed where my rear o2 used to to be. My tuner plugs into that.
 

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holy hell. my wideband A/F bounces between 14-17. but i also have a vacuum issue so i dont know.
 
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