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

For an engine to create propulsion, it first needs a few core ingredients. The process begins with fuel being pumped through the car's fuel lines and into the combustion chamber. This is where fuel ...

One of the most anticipated V8 thrillers of 2025 is finally available to purchase. Direct Connection is asking $34,995 for the Hellephant A30 426 Supercharged Crate HEMI, a 7.0-liter behemoth that ...

Every serious gearhead knows that the right USB gadget can turn a cluttered garage into a smart, efficient workshop. From pinpointing engine faults to keeping tires and batteries in top shape, compact ...

That sudden pop from the exhaust is your engine trying to tell you something. While backfiring might sound like a sign of disaster, it’s often a warning that your car’s fuel and air aren’t playing ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Getting started guide & review of the SONOFF Dongle Plus MG24 Zigbee adapter with Home Assistant, AirGuard TH monitor, and ...