Cam lift and timing can put the valves dangerously close to the piston. We show you how to check the clearance In all but most the mild engine builds, taking extra time to check piston to valve ...

Oil is the lifeblood of your vehicle's engine, and that's why leaks aren't something that should be ignored. Here are the ...

Cylinder head valves normally will not just bend unless the engine has experienced some sort of trauma. Bent valves can occur as the by-product of a timing belt failure, as the valves strike the ...

Boost leaks are notoriously common culprits in underperforming turbocharged vehicles. Coupled with boost lag and diminished fuel efficiency, boost leaks can lead to higher maintenance bills and engine ...

There's a lot going on inside your vehicle at any given time, whether you're idling at a red light or driving at freeway speeds. Much of this activity involves chemical reactions that — while ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

I have lately been receiving the “engine oil level” warning message. After checking for leaks around the engine or even at the tailpipes, I cannot find any signs of oil. Where is the oil disappearing ...

Lots of displacement, more compression, and a ton of valve lift used to be the recipe for a typical professional-level drag-race motor. Today, this same description could just as easily be a serious ...