No. Just as likely to be a 4.57. It's real easy to tell the ratio by jacking up a tire and spinning the wheel and counting the wheel turn to drive shaft turn, then getting the ratio. You don't have to be dead on. It'll either be 5.13 (not original to that year and model) 4.57 or 4.11. Destiny is never so nice that it would be a 3.90.
