Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

They look awesome, whine, and make huge power. Yes, we're talking about superchargers, and in the world of hot rodding they are the ultimate in cool. Unlike a normally aspirated engine that relies on ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Throughout the history of motorized vehicles, a number of engines have become famous for being the best of their generation. Even motorcyclists have heard of a Chevy 427 small block V8, the engine of ...

The FIA has updated the 2026 F1 engine rules, changing how compression ratios are measured to prevent loopholes.

A.Here you can see locations of sharp-edged material left from factory machining operations. Material removal should be kept to a minimum, since we are dealing with low engine rpm for which enlarged ...