Originally Posted By: wannafbody
A larger cubic inch engine tends to make more torque lower in the RPM range than a small engine. The larger the torque the larger the HP at 5250 rpm. Sure you can wind an engine to 20,000 RPM and get horsepower but it will be a torqueless wonder down lower in the rpm range.
Yes, but it can also weigh a LOT less.
And it will put less load on some parts of the transmission, which means the transmission can weigh less, too.