Wampus gave me this and it was real good!!!
Chris Lilly's Six-Time World Championship Pork Shoulder Injection
Recipe for 2 butts
3/4 cup apple juice
1/2 cup water
1/2 cup white sugar
1/4 cup table salt (I either use kosher salt or cut back a little on the table salt)
2 Tablespoons Worcestershire Sauce
Combine all ingredients and stir until sugar and salt are dissolved.