So I found this guy selling a slightly used BMW stroker motor. 3.0 now a 3.4 via big crank, 10:1 compression lightened pistons, 15% flow increase on ported/polished head, mild cam, and a bunch of ...

Infiniti introduced the world's first variable compression-ratio engine, a technology it claims to have been working on for two decades, at the 2017 Los Angeles Auto Show. A variable compression-ratio ...

Compression is only one thing Hyundai wants to be able to adjust.