When to worry about engine noises?

Lots of good suggestions here... you guys really have me thinking about the oil selection

dartindanno said

Website shows 10W-30 non synthetic for oil on the roller cam engines. Link to website attached

Roller Camshaft Engines:
BluePrint Part #BPP710 or a 10W30, non-synthetic oil. A zinc additive, or break-in oils are not necessary, but can be used.

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I see that on the web page. There's also a pamphlet that came along with the engine that listed Rotella as one of the acceptable oils. No way in hell would I pick this diesel oil on my own!