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Turbo98



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Join date : 2013-02-23

PostSubject: CAN Display Units   Sun Aug 18, 2013 7:49 pm

What scale does the air/fuel ratio show on the display?  The reason I ask is that I have the units set to the air/fuel scale in the user software but it reads two different ways.  The a/f gauge on the laptop screen reads standard a/f (14.7=stoich for gas).  But the log list and the logs are on a scale that is based on the stoich of the blend of fuel in the tank at that time.
Thanks in advance.
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Turbo98



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PostSubject: Re: CAN Display Units   Wed Aug 21, 2013 10:41 am

Anybody?
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ip-alpha
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PostSubject: Re: CAN Display Units   Fri Aug 23, 2013 10:15 am

Whatever the stoich point is. Read lambda.
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Turbo98



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PostSubject: Re: CAN Display Units   Sat Aug 24, 2013 1:12 pm

Ok, thanks. So for example, say I have exactly E85 in the tank, what will read on the CAN gauge at 1.0 lambda?
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ip-alpha
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PostSubject: Re: CAN Display Units   Mon Aug 26, 2013 10:17 am

Turbo98 wrote:
Ok, thanks.  So for example, say I have exactly E85 in the tank, what will read on the CAN gauge at 1.0 lambda?
In your ProEFI folder you've a directory called "Documents". In Documents you've a filed called Air Fuel Conversions. That will tell you everything.
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Turbo98



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PostSubject: Re: CAN Display Units   Mon Aug 26, 2013 10:42 am

Thanks. I've seen the conversion chart. But I'm curious which will appear on the CAN gauge for stoich of E85. 1.0 Lambda, 14.7, or 9.8?
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rich



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Join date : 2011-05-24
Location : Raleigh, NC

PostSubject: Re: CAN Display Units   Thu Aug 29, 2013 7:09 am

regardless of fuel type, stoich lambda is 1.0.

To get the AFR that you see in the logs, proefi is just multipling lambda by the stoich value of the ethanol percentage your flex fuel meter reads.

So if you have the gauge set to lambda you will see 1.0, while the AFR display will be 9.8
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Turbo98



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PostSubject: Re: CAN Display Units   Thu Aug 29, 2013 7:26 am

rich wrote:
regardless of fuel type, stoich lambda is 1.0.

To get the AFR that you see in the logs, proefi is just multipling lambda by the stoich value of the ethanol percentage your flex fuel meter reads.

So if you have the gauge set to lambda you will see 1.0, while the AFR display will be 9.8
So on the large CAN color display, it will display Lambda? Do you have a choice of how a/f will display?
Thanks.
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rich



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PostSubject: Re: CAN Display Units   Thu Aug 29, 2013 7:36 am

no it doesnt display lambda nor do you have a choice on gas scale AFR
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Turbo98



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PostSubject: Re: CAN Display Units   Thu Aug 29, 2013 9:33 am

Ok, thanks. That's kind of what I thought. I can't really use that gauge because one of the main reasons was to get rid of my AEM a/f gauge. Oh well....
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Admin
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PostSubject: Re: CAN Display Units   Tue Feb 25, 2014 8:22 am

Turbo98 wrote:
rich wrote:
regardless of fuel type, stoich lambda is 1.0.

To get the AFR that you see in the logs, proefi is just multipling lambda by the stoich value of the ethanol percentage your flex fuel meter reads.

So if you have the gauge set to lambda you will see 1.0, while the AFR display will be 9.8
So on the large CAN color display, it will display Lambda?  Do you have a choice of how a/f will display?
Thanks.

You can display lambda on the Display/Logger, you can change to DesEQ, or A/F as well.
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ip-alpha
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PostSubject: Re: CAN Display Units   Mon Mar 03, 2014 7:43 am

Also there is no reason not to read lambda!
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