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It's normal on the '10 SS L99. My early 2010 L99 SS has never made a sound. When new
lots of lifters were being replaced under warranty. I didn't bother, but I have done 14 oil
changes in the last 9+ years and 55,000 miles. Change your oil often and enjoy.
Last edited by myold88; 10-27-2018 at 07:50 AM.
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