Lifter cleaner

I know some of you have used the Wynns Lifter cleaner, so asking what you all think.



Basically is it worth it or is it just snake oil? And any tips on how to use it or just follow the instructions?



My engine seems a little noisier than is did, but with its age thats expected. Its had regular oil changes with good quality oils, while Ive had it (4 1/2 years).

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