Port fuel injection has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...

During the course of building, modifying or merely "sharpening up" an overhead valve V8 engine, the question of intake port alignment usually arises. With in-line and flathead V-type engines the ...

When most of us talk about Mopars, our discussions often revolve around the "good old days" when cars were simple and we could work on them ourselves. Carb tuning involved a screwdriver, and ignition ...

Half of the U.S. new-car and truck fleet now is equipped with gasoline direct injection (also known as GDI)—which means the fuel is sprayed straight into the combustion chamber. This begs the question ...

The earliest and simplest type of fuel injection, single-point simply replaces the carburetor with one or two fuel-injector nozzles in the throttle body, which is the throat of the engine’s air intake ...

Exhaust port vs intake port and why it’s not the same. Understanding the difference between exhaust and intake ports in engine design. #Engine #Mechanics #Performance What is lewy body dementia? Ted ...

We've gone a little rotary engine crazy around here, but the more of these spinning triangles we throw at you, the more positive feedback we seem to get. In fact, I get more e-mails and social media ...

The question of the day seems to involve the difference between the original cathedral-port and modern rectangular-port LS heads. More specifically, which one is better? Were we to compare two sets of ...