Harley-Davidson is generally known for producing quality engines. However, one was prone to several issues related to the motorcycle's oil system.

Normal dogs do normal awoos. But Mika Tai has decided that being normal is too boring. This world traveler from @mika_tai_0601 has moved from Japan to Hong Kong and finally to Canada. And somewhere ...

Before modern airliners became quiet and smooth, the De Havilland Comet changed aviation forever as the world’s first jet airliner. And it still sounds like pure old school power. Those classic Avon ...

Engine knocking, or detonation, occurs when fuel in the cylinders ignites unevenly, causing metallic pinging sounds, reduced ...