HOT ROD’s archives are chock-full of brilliant tech reports that truly are timeless. This one, drafted by Jim McFarland for our February 1972 issue, provides an extensive look at how important airflow ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...

In gearhead terminology, the word hemi refers to the generally hemispherical shape of an engine's cylinder head combustion chamber. In the truest sense of the word, no automobile engine actually has a ...