Reply to "Troubling sound at back/top of motor"

I pulled the suspect lifter and it is damaged. Something galled the roller as you can see in the photos below. I put a camera down the lifter bore and it looks like the cam lobe is also damaged. It looks like a new cam is needed.

The lifter next to it is also damaged on the side of the roller (its surface is OK).

The lifters on cylinder #3 look perfect.

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8/29/222:05 PM

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