Auto additives are big business, but do they work?

File PhotoRichard Perry. ■ By Richard Perry / Contributed Greetings from the Hemet Car Guy I’ve just turned 54, and I must admit I am slowing down a bit. My beautiful wife makes sure I take vitamins and supplements to combat Father Time. I don’t know if they work or not, but I follow her direction. However, this got me thinking about all the automotive additives you see in auto parts stores. I know it’s big business, but do they work or are they the equivalent of automotive “snake oil”? If your car is older and starting to show its age, it’s natural to wonder if it doesn’t need a little

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