A. Here you can see the relationships of base circle, lobe lift and valve duration. During times when a valve is in its closed position, follower (or lifter) travel is along the base circle surface of ...

Most Mustang owners want crisp low to mid-range torque, good throttle response, some semblance of fuel economy, and a Mustang that sounds cool. Of course, some want that “rumpity-rump” idle and the ...