Why Flat Tappets?By now, our Engine Masters' competitors are digging deep into the rules of the build, developing a mental picture of what engine combination they can conjure to fit within the ...

Picking the right valvetrain for your engine can be a daunting task. Solid flat tappet, hydraulic flat tappet, solid roller, hydraulic roller; these are the choices, made even more difficult due to ...

Selecting the right cam for your performance street/strip or even full-race Chevy engine is difficult, especially if you don’t speak the lingo. Even before taking a look at things like cam lift, ...

My 2003 Volkswagen Polo has 18,000 miles and over the last 5000 miles has developed a tapping noise from what I thought was the valve gear, as it sounded a bit like a hydraulic tappet - the noise ...