Brush pork with remaining 1 1/2 teaspoons olive oil; sprinkle with the remaining 1/2 teaspoon salt and remaining 1/4 teaspoon pepper. Place pork on a grill rack coated with cooking spray; grill 6 minutes on each side or until a thermometer registers 145°.
Let stand 10 minutes. Cut, crosswise, into 1/4-inch-thick slices.