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Forum: General Fuel Topics

08-18-2009, 09:20 AM

Replies: 22

Better combusion != more fuel

Views: 3,617

Posted By dieselbenz

You have it totally backwards. Complete...

You have it totally backwards. Complete combustion (AKA maximum FE) happens near the noX peak and HC minimum where there is still 1-2% unburned O2 left in the exhaust. The O2 sensor will show a LEAN...

Forum: General Fuel Topics

08-18-2009, 08:25 AM

Replies: 22

Better combusion != more fuel

Views: 3,617

Posted By dieselbenz

Yes. Some engines like honda Vtec-E are designed...

Yes. Some engines like honda Vtec-E are designed to create swirl in such a way to not misfire at super lean AFRs like 18+. Most other engines have a hard time running at 18+ AFR. You get 'lean surge'...

Forum: General Fuel Topics

08-18-2009, 08:18 AM

Replies: 22

Better combusion != more fuel

Views: 3,617

Posted By dieselbenz

In California, when you have your car smogged...

In California, when you have your car smogged they give you a detailed chart of all the gasses coming out your exhaust. Usually a properly functioning car running at stoich (14.7afr) has 1% unburned...

Forum: General Fuel Topics

08-18-2009, 08:00 AM

Replies: 22

Better combusion != more fuel

Views: 3,617

Posted By dieselbenz

You don't understand how an O2 sensor works. ...

You don't understand how an O2 sensor works.
https://www.mummbrothers.com/SRF_Stuff/images/Stoich.gif
...

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