Pea Salad

This is from Jim's grandmother. I've made it several times and someone usually tells me that their grannie made it.

1 can LeSuer peas
1 can French Cut green beans
1 can Shoepeg corn
1 small jar of chopped pimento
1 cup finely chopped bell pepper
1 cup finely chopped celery
1/2 sliced red onion

Dressing:
3/4 cup sugar
1/2 cup white vinegar
1/3 cup salad oil
1 t. salt
1/2 t. black pepper

Bring the dressing to a boil and pour over the vegetables. Let it sit overnight - it will keep in the frig for a long time.