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Thread: 58x vs 24x waveform?

  1. #1
    Lifetime Member N0DIH's Avatar
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    Default 58x vs 24x waveform?

    Anyone have the pictures of the 58x and 24x waveforms?
    I owned a Ford once, ONCE.......

  2. #2
    Lifetime Member GMPX's Avatar
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    I do have a 24x picture back at the office in Australia, I'll scan and post it when I get back. 58x is simple, 58 pulses then one long (or missing one) to make up the 60. It's also known as 60-2, being 60 pulses minus 2 pulses (the long pulse). At least that's what I remember it as from years ago making a crank pattern simulator.
    I no longer monitor the forum, please either post your question or create a support ticket.

  3. #3
    Lifetime Member N0DIH's Avatar
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    I know I have seen it, but I can't find it for anything. Did the 98 LS1's use 24x too? I have a 98 P12 L21 454 manual, I know it used the LS1 PCM, but that is about it. It was a strange animal. CNP and ETC for a 454... And an Allison... (not A1000).
    I owned a Ford once, ONCE.......

  4. #4
    Joe (Moderator) joecar's Avatar
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    You mean this...
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	CKP CMP waveform.gif 
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Size:	56.1 KB 
ID:	9647   Click image for larger version. 

Name:	CKP CMP waveform relationship.png 
Views:	865 
Size:	32.4 KB 
ID:	9648   Click image for larger version. 

Name:	LS1 CMP signal.png 
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ID:	9649   Click image for larger version. 

Name:	LS1 CKP 24X.jpg 
Views:	1142 
Size:	109.6 KB 
ID:	9650  

  5. #5
    Lifetime Member N0DIH's Avatar
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    What?
    Quote Originally Posted by joecar View Post
    You mean this...
    I owned a Ford once, ONCE.......

  6. #6
    Joe (Moderator) joecar's Avatar
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    Oh, I clicked Submit Reply instead of Manage Attachments... see my post again.

  7. #7
    Lifetime Member N0DIH's Avatar
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    I see it now, thanks! That is what I was looking for. So the 58x is 60-2, is there a cam sensor also to look at?
    I owned a Ford once, ONCE.......

  8. #8
    Joe (Moderator) joecar's Avatar
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    I don't have any 58x/4x waveforms.

  9. #9
    Lifetime Member N0DIH's Avatar
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    I need some newer vehicles!

    Quote Originally Posted by joecar View Post
    I don't have any 58x/4x waveforms.
    I owned a Ford once, ONCE.......

  10. #10
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    Click image for larger version. 

Name:	E38 CKP and CMP.JPG 
Views:	1428 
Size:	169.9 KB 
ID:	18854Here is an E38 58x / 4x signal.

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