Picking the Best Valve Springs for Power & Durability
Building reliable horsepower takes matched parts, proper octane fuel, and ignition to light the fire. The focus is normally on induction, camshaft, valvetrain, and exhaust—all selected for the displacement and […]
What Does a Catalytic Converter Do?
As part of The Clean Air Act passed in 1970, starting in 1975, federal law mandates the use of a catalytic converter in all road-legal passenger cars sold in the […]
Do Exhaust Headers Add Horsepower?
When it’s time to start upgrading to a performance exhaust system, it’s easy to get enamored with a throaty rumble coming from shiny exhaust tips. But if you’re chasing horsepower, […]