Question from Steve: Mark, what is your opinion on after-market motor mounts. The dealer wanted $438 for new ones. What is your opinion on engine oil additives. Dura lube and Lucas and STP? Answer: ...
Snake oil. Mouse milk. Whiffle dust. Take your pick — few products have earned such unflattering sobriquets as aftermarket motor-oil additives. And for the very good reason that these promised ...