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Old 07-13-2021, 08:18 AM   #46 (permalink)
Ecky
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ND Miata - '15 Mazda MX-5 Special Package
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Not long ago, I swapped the crank pulley on my 2.4L engine for the pulley from the 2.0 Type R engine. I believe it was ~11% smaller in diameter.

I imagine you probably have an OEM option.
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