How to Make It
Soak 1 cup hickory wood chips in water for 1 hour. Meanwhile, stir together salt and pepper in a small bowl. Pat brisket dry with paper towels; brush all over with hot sauce, and sprinkle with salt mixture. Place on a wire rack; let stand until wood chips finish soaking.
Open bottom vent of a charcoal grill completely. Light charcoal chimney starter filled with briquettes. When briquettes are covered with gray ash, pour them onto the bottom grate of the grill, and then push to 1 side of the grill. Scatter soaked wood chips over the hot coals. Place an aluminum tray filled with 2 cups water next to pile of wood chips and coals. Coat top grate with oil; place on grill. Adjust vents as needed to maintain an internal temperature of 230°F to 240°F.
Place brisket, fat side facing up (if there is a thicker portion of brisket, face it towards the coals), on grates over the side without the coals. Smoke, covered, until a thermometer inserted in thickest portion of meat registers 190°F, 8 to 9 hours, flipping brisket once during final 2 hours cook time and replacing coals if grill temperature begins to drop.
Remove brisket from grill; immediately wrap in a layer of parchment paper followed by a tight layer of aluminum foil. Let stand 1 hour.
Unwrap brisket; slice across the grain. Divide meat evenly among 8 bread slices; top with Texas BBQ Sauce, onion, pickles, and remaining bread slices.