Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

Mechanical lifters were once commonplace in internal combustions engines, but they've been mostly replaced by hydraulic lifters, which offer a lot of benefits.

In order for our vehicles to run smoothly and carry us to and from our various destinations, they rely on an incomprehensible number of parts. While large, well-known parts — like the engine, ...