Depending on how you measure it, the displacement of a Mazda 13B is either 1.3 liters (1,309 cc), 2.6 liters (2,618 cc), or 3 ...

Blending sports bike agility with touring practicality, the Tracer 9 delivers luxury features and confidence at a price ...

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

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

A great example of this is the Honda F20C engine, the powerplant that powers the Honda S2000. It can rev up to an Olympian ...

Fleets needn’t look long or hard to find products promising fuel-saving benefits. Aerodynamic add-ons, low-viscosity ...

The glory days of the naturally aspirated V8 are coming to a close. We revisit some of the best V8s ever built in this trip ...

The Chancellor officially gave notice that the EIC's Charter, which vested in them the exclusive right of commerce and ...

From the April 1968 issue of. You've done it to yourselves, Americans. That same affluent society that enables you to plunk ...

Born in the ’70s, and a supercar icon of the ’80s which lived into the ’90s, the Countach weaved its own magnificent myths.

No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...