I had a tick at startup. Switched Mobile 1 oil to Pennzoil Platinum 5-20 and it no longer does it at start or any other time. My son did the same thing to his Ram 5.7 hemi with the same results. They also make a Pennzoil Ultra Platinum that is really good but costs more.
I had the tick just repaired in my 14. Seafoam nor oil would stop it so i brought it in to my local shop Once the mechanic got in there, the bearing? on the rocker was deformed and caused damage to the camshaft as well. Was a costly job
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