F23 distributor mod for adjustable timing

Discussion in 'Engine & Transmission Mods' started by selttijcmanit, Jun 18, 2018.

  1. selttijcmanit

    selttijcmanit Active Member

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    So quite a few people are aware that the distributor on the 98-02 F23A1 is non-adjustable, it has two bolt holes and both are too narrow to spin the distributor a meaningful amount. However that begs the question; if I were to mill larger slots where the holes are to make it adjustable, would it work? It's more a question of whether the computer can tell that you've made the adjustment or not..
    I'm looking to pull about 6 degrees but I want to know what you guys think.

    Shanks in advance
     
  2. BlkCurrantKord

    BlkCurrantKord Super Moderator

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    Won't work. Computer controls timing. Whatever you change mechanically (or try to) the computer will put right back.
     
  3. selttijcmanit

    selttijcmanit Active Member

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    Dang that sucks.. What about delaying the input to the computer, less mechanical/fun but then the computer wouldn't have any idea; only side effect would be retarded injector timing.


    Edit: Actually I already have an Arduino controlling ignition and fooling the MAP sensor so I'll use a spare input and output to delay the signal. I'll have it dynamically calculate the delay based on RPM using this formula from Haltech's site --> t = a / (6 x RPM)
     
    Last edited: Jun 20, 2018

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