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 ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

Beginning April 5, 2024, a selected group of Kia Telluride owners across the United States will receive a letter in their mailbox informing them that the valve springs in their vehicle’s engine may be ...

PITTSBURGH, April 27, 2020 /PRNewswire/ -- "I wanted to create a timesaving way to remove a camshaft and valve springs without having to remove an engine's cylinder head," said an inventor, from Milan ...

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 ...

Before starting this valvespring story I thought I had a grasp of its mechanics, but then as it developed it became ever more complicated until it reached a point where I doubted if I had any ...

Toyota Motor Corp said on Tuesday it had received reports more than three years ago of faulty engine valve springs at the center of a U.S. recall of nearly 139,000 luxury Lexus vehicles it announced ...

A number of Scion FR-S (know rebranded as the Toyota 86) and Subaru BRZ owners are claiming that their vehicles have encountered serious engine issues after being repaired as part of a recent recall.

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

While the engineering community continues to explore the benefits of electric and hybrid vehicles—i.e., the environmental and renewable energy factors—the automotive market is still dependent on ...