To sleeve or to bore your engine block? That's the several-hundred-dollar question (maybe into the thousands) as you ...

Since the dawn of the internal combustion engine, the search for power has been paramount in internal combustion engine development and advancements over the years. Ranging in all sorts of different ...

A lot of people were celebrating when white smoke over the Vatican meant there was a new pope in town -– and that included plenty of gearheads with great ideas about what the new guy should use as his ...

Friction is the enemy of speed. Whether it's rolling resistance or the wind flowing over the body at speed, racers work tirelessly to dispense it. The concept of friction may seem like an entirely ...

Hot rod builds a mouse trap and tries to catch a rat. Originally published in the August 1998 issue of Hot Rod magazine. To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring ...

When it comes to classic American muscle cars, you'll hear the terms "small block" and "big block" thrown around quite a bit. As one might assume, it's in reference to the actual physical size of V8 ...

Hot rodders played with blocks as kids, and still play with them as adults. This vast level of experience notwithstanding, enthusiasts often insist on monkeying around with production blocks. They ...

In automotive nomenclature, small-block V8 engines are typically physically smaller than their big-block counterparts, hence the nickname. With some exceptions, the piston bores, stroke, cylinder head ...

If you are a racing buff, gearhead, or DIY mechanic, then you're sure to have come across debates between big-block engines versus small blocks and other modern engines. Each big block engine has its ...

SpaceX is gearing up for the next evolution of Starship, with Block 3 hardware on display at Starbase amid a flurry of engine testing at McGregor, highlighting both breakthroughs and challenges.

To ensure the accuracy of hardness test outcomes, it is imperative to validate the precision of the hardness tester. Different hardness testing standards have varied frequencies for calibration checks ...