MPH Chart Per RPM
3.27 Ring and Pinion
1.00 4th Gear Trans Ratio (5-spd)
1.00 3rd Gear Trans Ratio (Auto)
RPM
2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500
25.0 46 57 68 80 91 102 114 125 137 148 159 171
25.5 46 58 70 81 93 104 116 128 139 151 162 174
Tire 26.0 47 59 71 83 95 106 118 130 142 154 166 177
Height 26.5 48 60 72 84 96 109 121 133 145 157 169 181
In inches 27.0 49 61 74 86 98 111 123 135 147 160 172 184
  27.5 50 63 75 88 100 113 125 138 150 163 175 188
28.0 51 64 76 89 102 115 127 140 153 166 178 191
28.5 52 65 78 91 104 117 130 143 156 169 182 195
Courtesy Mustang Parts and Tech; www.mustangpartstech.com