I wrap on color (but the IT will be ~160°), and I pull on tenderness (but the IT will be 200°+). In other words, I like to know what the temps are but don't really use them for anything critical.... especially tenderness. Once I cook it tender I vent the wrap for a few minutes, then like long rests in a hot box. 2 hours for one like you have.
One tip if the point is really knobby shaped. Butterfly it on the thick end to get a more even thickness. It will be easier to cook and slice. After butterflying:
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Same orientation, showing color when wrapped:
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Same orientation after a wrapped finish:
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A couple of cubes:
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