Cars are intricate machines that rely on a series of chemical and mechanical processes to work properly. When things go wrong with one of those processes, your car can start to make some strange noises. Automotive engines rely on valves to let the fuel-air mixture in and exhaust out, and most modern pushrod and overhead cam engines use lifters to open and close the valves. While the original Wankel rotary engine employed ports to let fuel in and exhaust out,
…
Read more