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Thread: Hemi lifter tester - video

  1. Oct 2, 2025, 07:06 PM #1
    Jon
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    Hemi lifter tester - video

    Hemi lifter tester. By Hemi Garage Hacks. 7:23 video:

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  3. Oct 8, 2025, 05:13 AM #2
    tonyfoale
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    IT is not the first ever nor the most comprehensive. The Spintron beats it by decades and function.
    My own motorcycle version also beats it by 1 or 2 decades. I made a special cylinder with viewing ports and a reflector at the bottom with a hole for a LED strobe light. The strobe fires at every second revolution, synchronised to RPM +/- an advance determined by a software setting. This gives an adjustable slow motion effect enabling detail examination of what is happening both by direct vision and camera. Valve bounce/float, pushrod bow, lubrication etc can all be verified up to 12,000 RPM. Here are a few pix.

    Hemi lifter tester - video-spintron-02.jpg Hemi lifter tester - video-spintron-08.jpg Click for full size.

    Hemi lifter tester - video-spintron-07.jpg Hemi lifter tester - video-spintron-11.jpg

    Hemi lifter tester - video-win_20160310_11_12_54_pro.jpg Hemi lifter tester - video-win_20160310_11_12_14_pro.jpg

    Hemi lifter tester - video-win_20160310_11_06_16_pro.jpg Hemi lifter tester - video-spintron-17.jpg
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    DIYer (Oct 9, 2025), emu roo (Oct 10, 2025), hemmjo (Oct 10, 2025), Jon (Nov 5, 2025), mr mikey (Oct 14, 2025), mwmkravchenko (Oct 10, 2025), PJs (Oct 16, 2025)
  5. Oct 9, 2025, 03:39 AM #3
    DIYer
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    Thanks tonyfoale! We've added your Lifter Tester to our Motorcycle Engine category,
    as well as to your builder page: tonyfoale's Homemade Tools. Your receipt:


    Last edited by Jon; Oct 9, 2025 at 06:52 AM.
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  7. Oct 10, 2025, 10:10 AM #4
    hemmjo
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    LOTS of physics involved in a "simple" valve train is not accounted for in that tester.
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  9. Oct 10, 2025, 12:20 PM #5
    tonyfoale
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    Quote Originally Posted by hemmjo View Post
    LOTS of physics involved in a "simple" valve train is not accounted for in that tester.
    Yes, 700 rpm limits what you will see.



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