It's very easy to make fun of 1980s Maserati today. Its cars from this time haven't aged well, with styling that's a bit too 1980s and a reputation for less-than-stellar reliability. But at the time, ...

Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

Most everybody’s seen the “HEMI” logo on recent Chrysler-produced cars and trucks. Many muscle-car fans picture a 426ci big-block whenever the subject comes up in conversation. But still there are a ...

The dawn of the 1970s brought a new landscape to automobile manufacturing. The muscle car movement had peaked, imports continued to take market share, governmental regulations were on the rise, and ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

I’m not sure if any engine built today will still be salvageable 100 years from now. Not to sound like a grump, but so much relies on computers that will surely be obsolete by then. And let’s not get ...

Ford's famed flathead V-8 was revolutionary when the automaker put the engine into production in 1932. It brought the V-8 to the mass market and ready power to hot rodders for decades to come. But its ...

In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as we delve into the mechanics and craftsmanship involved, showcasing each ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...

Cummins has been at the forefront of the diesel engine market for more than 100 years. At this point, an argument could be made that there are few manufacturers whose products are as well respected ...

More than ever, we find our mailbag stuffed with questions regarding performance upgrades for the anemic '96-'98 4.6 Two-Valve engine. Ford helped close the gap between enthusiast expectations and ...

GM Authority has received a growing number of emails and messages from General Motors pickup truck and SUV owners experiencing valve lifter problems. To note, the naturally aspirated 5.3L V8 L84 is ...