Mince and mash garlic to a paste with salt and in blender blend with remaining marinade ingredients. In a sealable bag combine meat with marinade. Seal bag, pressing out excess air, and put in shallow baking dish. Marinate steak, chil led, turning occasionally, at least 4 hours and up to 24.
Bring steak to room temperature before grilling, about 1 hour. Prepare grill. Remove steak from marinade, letting excess drip off, and grill on oiled rack 7 to 9 minutes on each side for medium rare. Transfer steak to a cutting board and let stand for 10 minutes.
Holding a knife at a 45� angle, cut steak across grain into thin slices.