Whats everyone running for gears?

4.30's 8 3/4 detroit locker 742 case..29.5x15.5 MT SP pro's..looking to find some 3.73-3.91's in 742-489 case...just need the gears would trade mine less than 200 miles like new[richmond] gonna tag it and cruise some..actually those gears with those tires aint bad at all to cruise now but I wanna be able to go longer distances and I only have a 9 gal alum fuel cell...oh its in a 71 dart 440 727..even with the relocation and narrowed rear I only have less than 3/8''clearence from tire to outside fender lip but hey I got em in there and it's badazz all tucked in,prob will fold the inside lip flat for better ease of mind...