enginesrus
Mechanical
- Aug 30, 2003
- 1,013
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That's very much the idea with VVT Miller cycle optimized engines. They do leave a little power density on the table vs engines that are optimized for high voleff at full load, other constraints such as emissions notwithstanding.TugboatEng said:Variable valve timing can also be used to control compression ratio while still maintaining a tight squish clearance and high expansion ratio.