CC'ing Heads - How To Measure Your Combustion Chambers' Volume

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  • čas přidán 28. 08. 2024
  • The volume of a cylinder head's combustion chamber is an incredibly important spec. Too big, and you are leaving compression on the table. Too small, and you might hurt the engine. Measuring it isn't hard, but you need to follow the right steps in order to get an accurate result.
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  • Auta a dopravní prostředky

Komentáře • 5

  • @dahut3614
    @dahut3614 Před 4 měsíci

    I see that the intake port volume is often specified. To CC the port, do you just stick a valve in there, maybe with a little grease on the seat and a light spring to keep it closed, and fill the port to the top?

    • @EngineLabs
      @EngineLabs  Před 4 měsíci +1

      Yep. You put the plate on the intake port to seal, and rotate the head so the port opening is up. Everything else is the same, except you'll usually need to refill the burette 2 or 3 times.

    • @arturozarate1752
      @arturozarate1752 Před 2 měsíci

      Always bleed the burett to 0 before you pour. It was mentioned but not shown. Otherwise you will be off.

  • @stoneyswolf
    @stoneyswolf Před 5 měsíci

    If your cc'ing a lot of heads this tool would probably make sense but for a home builder a syringe will do the trick.

    • @EngineLabs
      @EngineLabs  Před 5 měsíci

      Even home builders like nice tools. Sure McDonald's dollar menu fills your stomach, but most people would still prefer a steak dinner. Not to mention, a burette is 10x more precise (0.2cc grads vs. 2.0cc grads) than a syringe, and for a lot of folks, "close enough" isn't.