Some additional info: Ring and Pinion, 9/38 4.22. First:16/36, Second: 17/25, Third: 26/26, and Forth: 31/22. ZF limited slip. In my build, with 24.7 tires, top at 6500= 162mph. It was geared with street, and occasional track outings in mind, and has nice, close rpm drops between shifts. It...