In a large mixing bowl, combine the brown sugar, cinnamon and salt.
Mix well and then add pumpkin, eggs, corn syrup and vanilla.
Beat this mixture well.
Pour the entire mixture into an unbaked pastry shell.
Sprinkle the mixture with chopped pecans.
Then place pecan halves around the outer edge of filling.
Bake at 425 degrees F for 15 minutes.
Reduce the heat to 350 degrees F and then bake 25 more minutes or until a knife inserted near the center comes out clean.
Remove from oven and set aside to cool.
Serve with whipped cream if desired