Everything you need to know about alternators in one place. Learn how to recognize failure symptoms, test charging voltage, diagnose wiring problems, compare alternator amperage and find compatible replacement parts.

Learn how to install boost gauge hardware cleanly, route vacuum line safely, wire illumination, and verify accurate readings on any turbo build correctly.

A 600-watt speaker isn't necessarily louder than a 300-watt speaker. Here's what car audio companies put on the box, what those numbers...

Want more horsepower, better throttle response, and the ability to diagnose your own Check Engine Light? Modern handheld performance tuners can do...

Acura is developing a new V6 hybrid powertrain, giving enthusiasts something more substantial to discuss than another touchscreen or appearance package.

Plan a diesel towing upgrade that adds control, cooling confidence, braking support, and dependable power without outrunning your truck’s ratings.

European automakers are seeking relief from Chinese competition while America restricts market access. The debate raises an awkward question: who benefits when capitalism comes with a carefully managed guest list?

The Dodge Charger Hellcat could return for 2028 with supercharged HEMI power, rear-wheel drive and a ZF 8HP95 automatic. Here’s what reports establish—and what remains unknown.

Can you run a Defi gauge without a control unit? What's the difference between ADVANCE BF and A1? Which boost gauge do...

The Mitsubishi 4B11 has more going for it than most enthusiasts realize. We examine factory engine specifications, forged internals, MIVEC technology, timing chain construction, and practical performance considerations using Mitsubishi's own technical documentation.