Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - need help with rocker/lifted noise
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Old 09-03-2012, 01:56 PM
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On mine with the XE284H-10 using normal 10w-30 oil it was annoyingly noisey
at idle when hot. A simple change to Rotella 15w-40 oil made a huge difference.
Is very acceptable now. The XE284H-10 cam does perform very well.

Give the lifters the rocker nut preload adjustment they need. There are may factors that effect this.
Mine likes and needs a good full turn of preload. No problem with rpm. (decent hi perf springs)
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