Starter screeching after replacing flywheel.

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I recently replaced the OEM flywheel with an aftermarket lightweight flywheel (+clutch and pressure plate) from a reputable brand (XClutch) and now have a screeching from my starter on startup.

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The car is a 2013 Hyundai Genesis Coupe 3.8, it is not possible to shim this starter and the service manual does not describe any special methods to installing or adjusting the starter. Simply to install it with two bolts and torque to spec. There is no inspection port to measure starter clearance to flywheel.

I've tried pulling the starter off and re-torquing it but there's no change.

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Any thoughts on what to try here? I'm concerned that whatever this wear is will eventually chew up the new flywheel.