ticking in motor

I’m the second owner of a 2012 Dodge Challenger R/T with a 5.7 liter hemi with 97,000 miles. The common lifter/camshaft failure occurred on cylinder #3. Luckily my extended warranty will cover the replacement of the camshaft and lifters. Going forward, is there any preventative maintenance I...

Over a year ago, I had to get one of the heads opened in order to replace #3 and #5 rocker arms. Well about 6 months ago, I started having the ticking noise again. I put up with it for a month or so, I found a video on Youtube that was talking about using Marvel Mystery Oil and although I have...