Since the early days of "Power Packs" and "Fuelie" cylinder heads, head swapping has been a proven path to higher performance. The SB2 engine package follows this tradition—with several very important ...

Several race teams rely on the Standard General Motors engine block, the SB2, to power their NASCAR racers. Engineers at Richard Childress Racing digitized a standard General Motors engine block, the ...

Keith Dorton made his name as an engine builder in NASCAR's big leagues—including the winning engine in the 1990 Daytona 500—but in the past few years, he's gotten into land-speed racing in a big way.

First, GM developed the new Impala SS exclusively for NASCAR Nextel Cup Competition. Now, it’s replacing the smallblock, second-generation (SB2) engine, NASCAR’s workhorse since 1998. Besides being ...