Symptoms of wrong cam installation

Milodons are straight cut. and an easy degree as you dont have to take the chain off, you just pull the cog off the hub, line up the cam and rotate it to another set of holes. 7 allen bolts.
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I wonder if the guy had ever messed with such a setup, my spidey senses say..likely not.
Need to get a dial indicator and check the event timing, at least figure out if its wrong….and the culprit