Tach Sensor Location
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Thread: Tach Sensor Location

  1. #1
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    Default Tach Sensor Location

    We are always looking for new ways to get an accurate tach reading from an engine. Has anyone ever mounted a hall effect sensor on the Cummins timing case to read off the injection pump gear? That's where Ford gets it's reading on the 6.9/7.3 engines. Seems like it would be relatively easy to install a bung in the timing case to read the pump gear. Shouldn't weaken the timing case if done correctly and should give accurate engine rpm. Any thoughts?

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  3. #2
    Super Moderator / Administrator BobS's Avatar
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    I believe that has already been done. I think there is a link in the sticky under tach that shows one.

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  4. #3
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    Interesting that this should come up.
    I recently acquired a VE timing case from an early 1991 Dodge and it has a port on it that looks to be for a sensor to read off of a gear.
    It's the only one I recall ever seeing with this port.

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