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 ...

Auto magazines are full of 1,000-horsepower LS engine stories teeming with superchargers, turbochargers, intercoolers, massive loads of nitrous, race gas, and all sorts of glamorous equipment. While ...

Four-stroke engines, which make up 99% of vehicles on the road, rely on a system for managing air intake, compression, combustion, and exhaust within a sealed combustion chamber. Poppet valves are ...

Making sure your engine has proper compression is vital for its health. You can rely on one of two methods to test this, but they aren't quite equal.

Car magazines are full of 1,000-horsepower LS engine stories teeming with superchargers, turbochargers, intercoolers, massive loads of nitrous, race gas, and all sorts of glamorous equipment. While ...

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 ...

For more than a century now, automotive engineers have struggled with an unavoidable balancing act when it comes to engine compression. Now, thanks to an innovation from Infiniti, they may get to ...