Engineers design modern engines to run in a narrow temperature window where power, efficiency, and emissions all line up. The thermostat sits at the center of that control, opening and closing a ...

A Corvette technician was stunned to find that a brand-new C8 Stingray "just off the transporter" required a total powertrain ...

When monitoring your cooling system, take the temperature reading at the point where the coolant is hottest; on most American V8s, this is at or near the thermostat housing. The big-block in our C10 ...

Engine overheating is rarely the result of a single failure. It usually happens when several small weaknesses in the cooling system line up, from low coolant to a stuck thermostat or a failing fan. To ...

Last month we began our discussion of emission systems by examining various crankcase and fuel vapor control devices, along with throttle and carburetion equipment aimed at reducing automotive exhaust ...

When I built my first serious race engine, a Honda B18C with Toda high-compression pistons and camshafts, a knife-edged crankshaft, a Supertech valvetrain, and a ported cylinder head, I threw a ...

General Motors has issued a Technical Service Bulletin to address an issue with the engine coolant pipe on certain Chevy Blazer, GMC Acadia, Cadillac XT4 and Cadillac XT5 crossover models. According ...