The hottest cylinder head on the small-block Chevy hit parade right now is the Vortec iron head. It's extremely affordable and flows a bunch of air for a stock production iron head with a 170cc port ...

Worldwide, Honda enthusiasts invest hundreds, if not thousands of dollars on their powerplants to extract the utmost in power and reliability. Whether they opt to keep their Honda naturally aspirated, ...

Those wound-up pieces of high-tensile steel under your rocker arms work so hard closing your valves over millions of cycles that they could probably use a replacement right about now. We're talking ...

We're always on the lookout for new stuff, so when information on Comp Cams dual conical valve springs came across our desk, we were eager to take a look. Comp introduced these dual conical springs in ...

Kia's largest internal combustion-engined crossover has been hit with a safety recall for a problem that increases the risk of a fire. According to Kia America, the V6 engine's valve springs may have ...

A STUDY of the influence of vibration on valve-springs reveals two possible ways in which a valve-spring can vibrate: First, when the frequency of the forced vibration is low, the force tending to ...

This is a preview. Log in through your library . Abstract A new heat resistant steel wire was developed for automotive valve springs. The purpose of the development is to apply a high temperature ...

The Center for Auto Safety is raising questions about the effectiveness of a valve spring recall issued late last year by Toyota Motor Corp. and Subaru Corp. after complaints emerged about engines ...

Last week, we reported on the steadily growing number of 2013 Scion FR-S and Subaru BRZ owners reporting engine failures shortly after taking their cars in for a valve spring-related recall. The story ...

Hyundai has issued a safety recall that applies it over 4,000 units of the Palisade built during the 2024 model year. The SUVs included in the campaign could experience a valve spring failure, a ...