But if that valve is located in a bowl-shaped combustion chamber, the curving surface of the chamber itself acts as half-a-diffuser, just as did the half-a-cone stuck into the bare exhaust port of ...

The City of Hamilton says that planned improvement and construction work will be back on Garner RoadWest starting ...

Both pistons and valves move in and out of a space at the top of engine cylinders known as the “combustion chamber”.

Q. I have a leaky heart valve that may need surgery down the road. Can you tell me about heart-valve surgery in one of your columns? A. First, let’s explain briefly how the heart works.

Berryman offers solutions to mitigate this problem in all gasoline-burning engines, and for that reason, we’ve named their Intake Valve and Combustion Chamber Cleaner and B-12 Chemtool Total ...