Thread: Mahle printed pistons for fuel mileage?
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Old 02-19-2021, 02:34 PM   #11 (permalink)
freebeard
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Quote:
Pistons are usually balanced by other pistons, at least in 4, 6 and 8 cylinder engines.
....at least in boxer configurations. The various masses rotate in unison, but they can trade momentum which results in internal vibration.

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