Today, advancements in engine tech and environmental regulations have made the gap between 2 stroke and 4 stroke motors smaller. But there are still merits and drawbacks to each type. Here’s ...

In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder. The sequence shown on the next page represents this behavior for a Mitsubishi direct ...

The German automaker sees your four-stroke engine and raises ... attempt to leverage the best of both cycle types.

Along with a TIG welder and mechanical ingenuity bordering on genius-level, all of which come to bear on this fridge compressor to four-stroke engine build ... using a piston-type compressor ...