
In a large bowl of water, soak corn for 30 minutes; drain well.
Preheat grill to medium high heat. Brush corn with corn oil and add to grill. Cook until grill marks appear, about 3-4 minutes on each side; let cool before cutting the corn kernels off the cobs.
In a large bowl, combine corn, mango, bell pepper, onion, lime juice, cilantro and salt, to taste.
Serve immediately.