Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of ...

Cylinder Head Design Is One Of The Most Complex And Important Aspects Of Engine Building. We Seek Out The Truth From The Best Head Developers In The Country. Like it or not, cylinder head design is a ...

At Circle Track we're all about tech, all the time. And at least a few times a year we'll show you how to assemble your own engine from air filter to oil pan. But one area of tech we rarely touch on ...

At Circle Track, we're all about helping you do more for yourself. But sometimes that's just not realistic. That's not casting doubts on the intelligence of our readership. Just like your mom, we ...

Far from the car industry's heart in Detroit, Silicon Valley startup Tula Technology is gearing up for the first product launch of its 10-year history. In all that time, Tula has been working on one ...

There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly. Healthy engines should have compression over 100 psi per ...