| satterley_sr |
Tue Jul 01, 2025 2:33 pm |
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| Is there any downside to using rod journal cranks reground to third or fourth cut in high performance applications (6000 rpm plus]? |
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| Brian_e |
Tue Jul 01, 2025 2:43 pm |
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Smaller diameter means less surface speed at the bearing. A good thing for higher RPM.
Thicker bearing shells aren't terrible.
Downside would be loosing surface heat treat depth. Just like a case that has been line bored 3-4 times, it might have other hidden issues from a previous hard life.
Brian |
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