Before the dreaded phase-out ruins your leaded-fuel engine, learn ALL about: Why lead-starved engines wear out sooner.How to tell if your engine is knocking.Octane boosters: Which ones work, which ones are nothing more than snake oil.TEL replacement lubricants and how they work.How water injection stops engine knock and reduces acid build-up in crankcase oil.Rebuilding an engine to survive no-lead gasoline.Alcohol detector kits for spotting watered down fuel.Essential addresses and phone numbers