additive articles, project cars, conversations, and more.

additive articles, project cars, conversations, and more

additive articles

Features: Understanding additives | Fuel Facts

Many additives make all sorts of power-boosting claims, but which ones actually live up to those promises?

News and Notes: What's in aftermarket additives anyway? | Fuel Facts

Just how true are the promises on all those brightly colored bottles at the auto parts store? We ask an expert to find out.

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