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Thread: how to command richer part throttle AFR

  1. #61
    Senior Tuner
    Join Date
    May 2015
    Posts
    1,908
    Whats the configuration of your fuel trim graph? You using any maths, either user defined or HP sourced ones? Or actual fuel trims?

  2. #62
    logging using the actual short term fuel trims.
    2010 R/T 6spd-6.1 based 426 @ 12.5:1 NA, Howards Cam, Eagle ported heads & intake, 52# Deatschwerks injectors, AFR shaker, Derale oil cooler, Barton STS, SRT8 shorties/mids,BBK 85,HP tuned,Jet 160*,BT Catch Can,SLP line locks,DRL,skip shift delete,splash guards-alu dash kit,MP hood struts,BT Mopar nose-fuel door-sill plates, sequential tails,marker blackouts,392 chin spoiler,tint, T-rex billet grill, Pirelli tires, alpine audio.

  3. #63
    something isn't right, the commanded AFR at WOT varies between 12.3-12.69 but the wideband shows actual AFR to be 10.9-11.5
    I need to dial back the PE tables I guess, if that doesn't work it'll be open loop time.
    2010 R/T 6spd-6.1 based 426 @ 12.5:1 NA, Howards Cam, Eagle ported heads & intake, 52# Deatschwerks injectors, AFR shaker, Derale oil cooler, Barton STS, SRT8 shorties/mids,BBK 85,HP tuned,Jet 160*,BT Catch Can,SLP line locks,DRL,skip shift delete,splash guards-alu dash kit,MP hood struts,BT Mopar nose-fuel door-sill plates, sequential tails,marker blackouts,392 chin spoiler,tint, T-rex billet grill, Pirelli tires, alpine audio.