If you stop and think about it, one engine has made motorsports in the United States for nearly 50 years. The Offy was a great engine, as was the four-cam Ford. Who can forget the mighty Mopar hemis?

ZL-1 Nothing gets your Chevy nerves tingling like the mention of this legendary piece of big-block history. For those who need a reminder, the ZL-1 was an aluminum version (heads and block) of the ...