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Thread: Pe and be

  1. #1

    Pe and be

    Hey guys and gals does the PE and BE combine together when they cross over into the same territory?

  2. #2
    Senior Tuner Ben Charles's Avatar
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    It takes the richer of the two values, does not add

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    96 TA Blown/Stroked, 4L80E/Fab 9
    15 C7 A8 H/C 2.3 Blower/PI
    14 Gen 5 Viper
    Custom Mid Engine chassis, AKA GalBen C

  3. #3
    Ok well I got different problem, I'm running a single turbo so I put the wideband in the crossover and put both narrow bands in the down pipe hoping to run closed loop. I put the narrows one behind the other, maybe 4" apart, and I had to extend the bank 1 to reach pass side. I'm getting a bank 1 lean error and wideband shows rich because the bank 1 is adding fuel. It's not bad in cruise about .05-.08 rich, but when I go into BE it looks good then toward boost limit I'm seeing .6 , commanding .8. it can't be the narrows because it's open loop then. Got any ideas?

  4. #4
    I'm going to put the bank 1 sensor back in the xover and put the wideband behind the bank 2 sensor in the down pipe and see how that works. And it seems I need to work on the MAF and SD tune in the boosted areas. I would like to have the narrow bands working, I live in Bama and the weather here changes hourly. Any suggestions would be appreciated. Also does anyone do Dyno tuning around central AL? When I get done playing I'd like a professional to perfect the tune.