Lean Burn: Difference between revisions

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(Created page with " LAMBDIAG addresses 8e0909518ak 368072: 0x72456 offset- X*0.0002441406 8e0909518al 386802: 0x72F1A 4b0906018ch 360101: 0x6654A 4b0906018dp: 0x5F8B0 b5 s4 m-box: 0x3bfb2...")
 
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KFLBTS lambda is limited by

:LATRO - Upper limit lambda target for exhaust gas temperature control
:018ch ecu - 0X1D11E (16BIT LOHI)
:offset: x*0.000244140625


LAMBDIAG addresses
LAMBDIAG addresses
Line 10: Line 13:
b5 s4 m-box: 0x3bfb2
b5 s4 m-box: 0x3bfb2


Set LATRO LAMLGMKT/LAMLGMTM high enough


XIMAX
:018ch 360101 - 0x4D0E (16bit lohi)
offset: x*0.000030517578
:TT 180hp 0x16E0E


Set LATRO LAMLGMKT/LAMLGMTM high enough
BTS fueling should be able to request lambda>1
BTS fueling should be able to request lambda>1


Line 20: Line 29:


E85 NO<sub>x</sub> emissions are lowest at very lean mixtures ~20:1, requiring ~50* BTDC at cruise on a 1.8T
E85 NO<sub>x</sub> emissions are lowest at very lean mixtures ~20:1, requiring ~50* BTDC at cruise on a 1.8T

----
Sources:
[http://nefariousmotorsports.com/forum/index.php?topic=1544.msg149889#msg149889 joshuafarwel]

Latest revision as of 05:29, 7 December 2022

KFLBTS lambda is limited by

LATRO - Upper limit lambda target for exhaust gas temperature control
018ch ecu - 0X1D11E (16BIT LOHI)
offset: x*0.000244140625

LAMBDIAG addresses

8e0909518ak 368072: 0x72456 offset- X*0.0002441406 8e0909518al 386802: 0x72F1A 4b0906018ch 360101: 0x6654A 4b0906018dp: 0x5F8B0 b5 s4 m-box: 0x3bfb2


XIMAX

018ch 360101 - 0x4D0E (16bit lohi)

offset: x*0.000030517578

TT 180hp 0x16E0E


Set LATRO LAMLGMKT/LAMLGMTM high enough BTS fueling should be able to request lambda>1

Add ignition timing for the areas you run lean:

  • More advance to get lean mixtures to spark.
  • Lean mixtures burn slower


E85 NOx emissions are lowest at very lean mixtures ~20:1, requiring ~50* BTDC at cruise on a 1.8T


Sources: joshuafarwel