question about wot multiplyer
09-10-2006, 05:44 PM
#42
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Originally Posted by onfire
I'm just kidding Kevin.
Seems like I'm the only one using lambda...it's easier for me since my wideband reads lambda and you know 1.0 = 14.67 Less than 1.0 is richer, greater than 1.0 is leaner...pretty intuitive way to tune, but not popular.
Seems like I'm the only one using lambda...it's easier for me since my wideband reads lambda and you know 1.0 = 14.67 Less than 1.0 is richer, greater than 1.0 is leaner...pretty intuitive way to tune, but not popular.
14.67 (stoich) x 0.88 = 12.9 commanded A/F
...or...
14.67 (stoich) / 1.14 = 12.9 commanded a/f
Value in bold is what is input into the PE Modifier RPM cell.
09-11-2006, 12:06 PM
#43
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The computer divides 14.7 by whatever is in the PE cell. So, if you put in 1.35, then the computer will try to get an a/f of 10.89:1.
I will throw my 2 bits in. I am currently one of those turbo guys using 1bar MAF setup. It works, and works good. However, I have not maxed out the MAF yet. My PE values are not rediculous, most of them are 1.35. Right now I see no reason for a 2 bar setup.
I will throw my 2 bits in. I am currently one of those turbo guys using 1bar MAF setup. It works, and works good. However, I have not maxed out the MAF yet. My PE values are not rediculous, most of them are 1.35. Right now I see no reason for a 2 bar setup.
09-11-2006, 12:13 PM
#44
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Originally Posted by DrkPhx
I see two different methods in this thread.. one says to divide stoich by a value to reach a desired a/f, then enter that value into the PE modifier rpm cell. Then another says to multiply stoich by a value, then enter that value into the PE modifier cell.
14.67 (stoich) x 0.88 = 12.9 commanded A/F
...or...
14.67 (stoich) / 1.14 = 12.9 commanded a/f
Value in bold is what is input into the PE Modifier RPM cell.
14.67 (stoich) x 0.88 = 12.9 commanded A/F
...or...
14.67 (stoich) / 1.14 = 12.9 commanded a/f
Value in bold is what is input into the PE Modifier RPM cell.
09-11-2006, 10:36 PM
#45
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Originally Posted by SSpdDmon
To continue your point...the smaller bolded number is lambda. The larger bolded number is EQ Ratio. Depending on the units you have set in your tables (or the units they are defaulted to), you pick the appropriate format. The EQ ratio is calculated as 1/lambda and the AFR is calc'd just as you have it above.