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Old 09-24-2019, 07:00 PM   #2
sonikaccord
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The OEM limits it within the original design parameters of the engine which is data only the Honda engineers and third-party testers have.

It's a harmonic damper because it cancels out crank harmonics. Harmonics are very small twisting forces applied across the crankshaft. Excess harmonics cause all sorts of issues with the most severe being a broken crank or block.

I'm pretty sure a modern pulley is the same or slightly better than the OEM. It won't matter much on a street driven engine anyway.
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