A stock 1988 Twin Cam has 88 horsepower. This is a impressive amount of power for an engine that was released over thirty years ago. The combination of the twin cam technology and the generous 88 horsepower gave this engine a lot of potential to be modified, customized and tuned up to produce even more power. Even today, after all these years, there are plenty of people who still consider the 1988 Twin Cam to be one of the best engines ever made thanks its reliable performance and powerful output. It's no wonder why so many classic car enthusiasts continue to make use out of this engine despite its age!