from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of valvetrain.
Sorry, no etymologies found.
These so-called engines of tomorrow are expected to replace today's cast iron engines and also use more magnesium, powder metals, plastic and other lightweight materials in their smaller components, including cam covers, camshafts, valvetrains, manifolds, bearing caps and oil pans.
"Cam-less valvetrains are on the wish list of every engineer because other technologies have issues, but Engineering Matters 'product does not have any of those issues.