Audi Self-locking center differential
Automotive
Advertisement In 2005, Audi set off the next stage in the evolution of its classic Quattro drive system in the second-generation RS 4. The new self-locking center differential, which is used in many models today, remained true to the principle …
What is VCR?
Automotive
Advertisement (VARIABLE COMPRESSION RATIO ENGINES) Making the compression ratio variable is a significant source of innovation that is already generating edifying results. The compression ratio of a reciprocating internal combustion engine is defined by the relationship between the cylinder volume …