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Old 02-19-2021, 09:59 AM   #8 (permalink)
Somewhat crazed
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I thought Mahle custom pistons were lost wax style of casting with machining to tolerance. So no great leap to sinter cast them then machine and I can see where they can be made thinner that the lost wax process.

With lighter pistons, you just remove metal from the rotating mass counterweights, NBD.
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