Category
Engine Basics
2 articles

Why Engine Timing Is Measured in Degrees, Not Seconds
Valve and ignition timing are quoted in crank degrees because that is the only unit that stays true when the engine changes speed — and it is why valve overlap exists.

Thermal Barrier Coatings: Keeping the Heat in the Gas
Every joule the radiator carries away was bought with fuel and never became torque. Thermal barrier coatings exist so there is less of it to carry away.