What is a good piston compression ratio?
Compression ratios are often between 14:1 and 23:1 for direct injection diesel engines, and between 18:1 and 23:1 for indirect injection diesel engines. At the lower end of 14:1, NOx emissions are reduced at a cost of more difficult cold-start.
Compression ratios are often between 14:1 and 23:1 for direct injection diesel engines, and between 18:1 and 23:1 for indirect injection diesel engines. At the lower end of 14:1, NOx emissions are reduced at a cost of more difficult cold-start.