USAGE: Use 2 ounces per quart of oil in crankcases ... Lasts multiple fluid changes but maybe used more frequently for best results. Will not wash away with water.

Best of all, you just add them to your engine oil. All of these additives are helpful in some way, but there are enough to fill an entire aisle at your local auto parts store.

are all good candidates for making the best oil additive part of your maintenance routine. New cars probably don’t need them, just a high-quality modern engine oil. New cars now come from the ...

A well-known mechanic has urged drivers suffering from a common issue to try a £25 item before taking their vehicle to be ...