Is this stuff normal?

cruiser said
Engine photos attached. Totally stock with fully functioning PCV system. Regarding the oil temp, I think I got it pretty hot last night on a five hour highway drive, but still had some white goo inside the oil cap after shutdown. No evidence of coolant contamination into the oil, as previously mentioned.

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Super clean! I love it.
A 5 hour drive is plenty for sure. Did you clean the cap before the extended drive? The white goo should go away with heat but sometimes won't. But if you have the same amount after a long drive, something could be up. I'm with RRR and would pull the valve cover.