Re: Ticking noise under load?
It could be detonation from low quality/low octane gas or ignition timing/advance, too. The engine tries to "pre-ignite" the fuel charge due to elevated temperatures in the cylinder. Maybe the spark plug tip remains hot enough to cause this condition?
I would check out your spark plugs and see if they have the appearance of the "OVERHEATED" spark plug in the photo attached.
POP
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2016 RAM Laramie HEMI
1966 Fairlane GT/A, 390/335 HP
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