Ford produced good small-block heads for a few years (1963-66) before altering them to meet emissions requirements. Most of these changes occurred in the exhaust ports, thus performance suffered.

When it comes to engine building, cylinder heads are of utmost importance. Here's why Chevy's small-block Vortec heads could ...

You would think with as much attention as the small-block Chevy has received over the past 30 years there would be nothing left to say. Wrong. Techniques change over time, and some tricks that were ...

In the 1980s General Motors shifted away from small holes in the cylinder head and pushrod guide plates instead to what they refer to as “guided” rocker arms. These stamped rocker arms use two small ...