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Thread: Inline 6 on a 0411 pcm

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  1. #1
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    Inline 6 on a 0411 pcm

    So, if I'm reading correctly, I can run a inline 6 on a 0411 pcm.
    I'll need to put a 3x crank trigger and a 1x cam signal.
    If I'm reading correctly, I can run port fuel injection and a distributor for ignition.
    Can anyone confirm this? Has anyone ever done this?
    I've read several posts where people said they were going to do this but they never finished the project or just never posted that they did.
    I'll be machining my own crank reluctor and maybe building a custom distributor. The pcm I'll be using is a 0411 with this bin.
    Attached Files Attached Files

  2. #2
    Super Moderator dave w's Avatar
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    The quick answer is yes, a 3x crank trigger and a 1x cam trigger will allow the I6 to be operated with the '0411.

    My idea for a SBC was to use the L31 distributor for both cam (CMP) and crank (CKP) signals. The pictures below are the design I cam up with.

    Basic engine math, 1x crank revolution = 2x cam revolutions, meaning for the SBC an 8x trigger wheel inside the distributor = 4x crank trigger. The I6 engine math is 3x crank = 6x cam.

    dave w

    Iso View.jpg

    CIMG2743.jpg

  3. #3
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    Quote Originally Posted by dave w View Post
    The quick answer is yes, a 3x crank trigger and a 1x cam trigger will allow the I6 to be operated with the '0411.

    My idea for a SBC was to use the L31 distributor for both cam (CMP) and crank (CKP) signals. The pictures below are the design I cam up with.

    Basic engine math, 1x crank revolution = 2x cam revolutions, meaning for the SBC an 8x trigger wheel inside the distributor = 4x crank trigger. The I6 engine math is 3x crank = 6x cam.

    dave w

    Iso View.jpg

    CIMG2743.jpg

    That's a very interesting idea. I may have to give that some thought.
    It may be easier that the crank reluctor I've been looking to make. And it would be in a self contained unit.

  4. #4
    Super Moderator dave w's Avatar
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    More pictures for more ideas?

    The cam signal trigger wheel is 175 degrees, not 180 degrees.

    IMG_0322.jpg

    IMG_0326.jpg

    IMG_0324.jpg

  5. #5
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    Quote Originally Posted by dave w View Post
    More pictures for more ideas?

    The cam signal trigger wheel is 175 degrees, not 180 degrees.

    IMG_0322.jpg

    IMG_0326.jpg

    IMG_0324.jpg

    Nice! So did you machine the housing?
    Why 175 deg?
    I was thinking I can put the cam trigger on the bottom of the mount plate and the crank trigger on the top.

    Would you happen to have a print for that???
    Last edited by Thorwon; 09-19-2021 at 01:04 AM.

  6. #6
    Super Moderator dave w's Avatar
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    I have access to very accurate measuring tools. I don't know why 175 degrees, but the one I measured was 174.96 degrees.

    What Inline 6 are you working with? Is there a factory distributor to leverage a dual trigger design. The SBC L31 was the distributor I leveraged because it has a CMP.

    BTW, it's very expensive to make a custom "One Off" dual trigger distributor.

    OBD2 is better than OBD1?

    OBD2 is more expensive than OBD1?

    dave w

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