RPM Chart Per MPH
3.73 Ring and Pinion
1.00 4th Gear Trans Ratio (5-spd)
1.00 3rd Gear Trans Ratio (Auto)
MPH
50 60 70 80 90 100 105 110 115 120 125 130
25.0 2507 3008 3509 4010 4512 5013 5264 5514 5765 6016 6266 6517
25.5 2457 2949 3440 3932 4423 4915 5161 5406 5652 5898 6144 6389
Tire 26.0 2410 2892 3374 3856 4338 4820 5061 5302 5543 5784 6025 6266
Height 26.5 2365 2838 3311 3783 4256 4729 4966 5202 5439 5675 5912 6148
In inches 27.0 2321 2785 3249 3713 4178 4642 4874 5106 5338 5570 5802 6034
  27.5 2279 2734 3190 3646 4102 4557 4785 5013 5241 5469 5697 5925
28.0 2238 2686 3133 3581 4028 4476 4700 4924 5147 5371 5595 5819
28.5 2199 2638 3078 3518 3958 4397 4617 4837 5057 5277 5497 5717
Courtesy Mustang Parts and Tech; www.mustangpartstech.com