Most new vehicles now have power steering, owing to the trends toward front wheel drive, greater vehicle mass, and wider tires, which all increase the required steering effort. (en.wikipedia.org)
Since engines are generally heavy objects which contribute significantly to overall vehicle mass, offering the same output in a smaller package can be enormously advantageous for fuel economy. (fordauthority.com)
Combined with its 505 - horsepower LS7 engine, it gives the 427 Convertible a power - to - weight ratio of 6.64 — or one horsepower for every 6.64 pounds of vehicle mass. (corvetteblogger.com)