Camshaft trigger wheel speed
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  1. #1
    1000+ Posts Shoji's Avatar
    Join Date
    Jan 2012
    Mandurah WA

    Default Camshaft trigger wheel speed

    what does this mean?

    120-4 trigger wheel for picking up a 60-2 crank signal from a cam speed device.[/QUOTE]

    3.25/85mm diameter trigger wheel, 120 tooth -4 [72133] - $69.00 : Clewett Engineering, The complete solution for ignition & fuel injection

    These are for cams shafts half speed right?

    “Listen very carefully, I shall say this only once.” Cheers. John

  2. #2
    1000+ Posts
    Join Date
    Mar 2004


    Correct, the engine mgt system will have decoders and this is a standard type of one so it will have detailed positional information regarding cam to crank.
    87 S1 205 GTI / GTI6 powered a project underway
    306 convertible (gti6 candidate)
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