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, ...

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 ...

LOS ANGELES, CA—In patients ages 60 years or younger undergoing surgical aortic valve replacement, mechanical valves are associated with a survival benefit compared with bioprosthetic valves, ...