Must have come off a young calf to be that small I suspect is is a portion of a larger one that was cut down. The difference it will cook quicker. That 's it my work is done here. Let me kick the Dead Pony one more Time> "YOU CAN NOT COOK GREAT BBQ ON A CONSISTENT BASIS COOKING TO AN INTERNAL TEMP OR BY TIME(XXX MIN PER LB) YOU MUST COOK BY FEEL!"For a Brisket that is probe tender, Pork Butts when the Bone wiggles lose, Ribs pass the Bend Test. These are the only reliable methods to indicate the proper time to declare the cook completed with success.