DD and dual case? lol
Or do you mean 4.7s low range?
whats funny about dual cases in a daily driver?? the first major mod i did on my truck that i commuted 50 miles
one way 6 days a week with. I had 32's and 4.37 stock gears for several years after doing dual 2.28 cases. it wasnt till after my wreck that i went to 5.29's and 35's which by the way puts my speedo about 3 mph off, when it reads 55 i'm actually doing 52