What does BEN mean?

[dgp]

Hi guys, I have been reading heaps of posts to get the confidence up to start playing with my V2 and e38 but I keep reading about BEN and I have searched but can't find an answer to what it actually means.

[joecar]

lol...

BEN is an acronym coined from "Base Efficiency Numerator" which does not mean anything...

it also is named after Ben Strader of EFI University (efi101.com).


What it is:
it is the correction multiplier (to be applied to VE or MAF tables) calculated from commanded fuel and wideband lambda
i.e. it is calculated as any of these:
{EXT.WO2LAM1} * {GM.EQIVRATIO}
{EXT.WO2LAM1} / {SAE.LAMBDA}
{EXT.WO2AFR1} / {GM.AFR}

( remembering that EQR = 1/Lambda and AFR = Lambda * stoichAFR )

[dgp]

Champion, thanks Joe