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430 Mini cats cell fix for aftermarket F430 manifolds / headers replacement

Discussion in '360/430' started by Testarossa13, Jan 2, 2020.

  1. Testarossa13

    Testarossa13 Formula Junior

    Dec 4, 2007
    300
    Arizona
    Full Name:
    Tony Jr.
    Has anyone used these mini cats cell fix from Big Daddy’s Garage.They were recommended to me in case of getting an engine cell light.


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  2. Bob in Texas

    Bob in Texas Formula 3

    Apr 23, 2012
    1,970
    Just East of Weird
    Full Name:
    Bob
    There are several threads on the use of mini cats especially those from big daddy’s. Use the search function and search for CEL’s


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  3. RedTaxi

    RedTaxi Formula 3
    Silver Subscribed

    Mar 1, 2012
    1,570
    New Zealand
    Full Name:
    Glen
    My no cat headers threw a CEL straight away. Cheap 45 degree extenders fixed it permanently. Mini cats would have been next.
     
  4. cpep

    cpep Formula Junior
    Silver Subscribed

    Nov 11, 2017
    340
    new york
    Full Name:
    CHARLIE
    Worked for me headers only with stock cats.
     
  5. 360trev

    360trev F1 Rookie
    Project Master

    Oct 29, 2005
    3,472
    isle Of Man
    Full Name:
    360trev
    F430s use wideband o2 sensors for both primary (fuel trim adaptations) and secondary (cat efficiency) and are much more sensitive to efficiency due to later emissions EU3/AU and us regulators than 360's. Later F430s are even stricter.

    My Ferrari SAK tool fully supports the F430s in this regard and works by either patching code so it will never ever generate a CEL, Period or Alternatively I can adjust sensitivity to be a lot less sensitive so CEL isn't going to trigger.

    These old analogue approaches are a bit hit and miss. Software recalibration or patching is the best way to go.
     
    brogenville and cpep like this.
  6. RichardCH

    RichardCH F1 Rookie
    Silver Subscribed

    Jan 16, 2005
    4,215
    Switzerland
    Full Name:
    Richard-Mark Dodds

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