Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start ...

Chevy double hump heads are iconic features of some of the fastest and most memorable car engines ever. Here's what you need to know.

The positive crankcase ventilation valve releases exhaust gas and unburned fuel from the engine block into the intake manifold. All engines allow some exhaust gases, unburned fuel and oil to ...