Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic ...

Wondering why cars don't use solid lifters anymore? Here's when they faded out and how hydraulic lifters took over for smoother, quieter engines.

There are very few sounds sweeter to a gearhead than a small-block spinning past 8,000 rpm. For anyone who appreciates internal-combustion engines and horsepower, a race engine spinning at high rpm is ...