When people come together and talk about really interesting topics, great questions spark better understanding and opportunities for new ideas to form. On The Spark from WITF, hosts Scott LaMar ...

Spark plugs are one of those mechanical components that can easily be forgotten about, but they do need to be changed at some point. Here's how often.

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars ...

According to Champion Spark Plugs, for normally aspirated, gasoline-fueled engines, a good rule of thumb is to go about one heat range colder for each full point in compression ratio increase from ...

Our Verdict For a high-quality spark plug, consider the NGK 6619 Iridium IX Spark Plugs, featuring excellent performance, power, efficiency, and reliability. Or, choose the Denso 4504 PK20TT ...

A brand new vehicle may not need new spark plugs for 50,000 to 100,000 miles, but when the existing spark plugs start to fail, the vehicle will begin to show signs, such as rough idling sounds ...

2026 Chevy Spark EUV; via GM. Like its Baojun-badged siblings, the new MY2026 Chevrolet Spark EUV is powered by a single 75 kW (101 hp), 180 Nm (130 lb-ft) motor driving the front wheels.