As owners of jacked-up trucks across our great nation know: more spring is better. But how much pressure can modern car coil springs really take? The only machine that can answer that question without ...

Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

We may receive a commission on purchases made from links. Is your car misfiring, having trouble starting, or idling rough? Are you wondering if the problem is one of your coil packs? If you're like ...

Up until the mid-'70s, most cars came from the factory with a solid rear axle suspended by two semielliptic, parallel leaf springs. A leaf spring is made | up of one or more long, narrow strips of ...