Some '83-'84 L69 Z28 Camaros and HO Trans Am owners have been cursing the "computer" because their cars (as one individual, Bob Rainey, put it), "Lurch and jump like a frog" above 5000 rpm. For once, ...

Fuel delivery issues can wreak havoc on engine performance and overall driveability. Commonfuel system and fuel pump problemscan include prolonged cranking during startup or sputtering, stumbling, and ...

High-pressure common rail fuel (HPCR) systems are standard on nearly every diesel engine today, from heavy equipment to over-the-road trucks, light-duty trucks, large generators and more. HPCR fuel ...

Today's high-performance engines are able to deliver horsepower numbers unheard of 10 years ago. With better-flowing cylinder heads, ignition systems, and camshaft profiles, the potential for huge ...