| RPM Chart Per MPH | |||||||||||||
| 3.55 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 | 2386 | 2863 | 3340 | 3817 | 4294 | 4771 | 5010 | 5248 | 5487 | 5725 | 5964 | 6203 | |
| 25.5 | 2339 | 2807 | 3274 | 3742 | 4210 | 4678 | 4912 | 5145 | 5379 | 5613 | 5847 | 6081 | |
| Tire | 26.0 | 2294 | 2753 | 3211 | 3670 | 4129 | 4588 | 4817 | 5046 | 5276 | 5505 | 5735 | 5964 |
| Height | 26.5 | 2251 | 2701 | 3151 | 3601 | 4051 | 4501 | 4726 | 4951 | 5176 | 5401 | 5626 | 5851 |
| In inches | 27.0 | 2209 | 2651 | 3092 | 3534 | 3976 | 4418 | 4639 | 4860 | 5080 | 5301 | 5522 | 5743 |
| 27.5 | 2169 | 2602 | 3036 | 3470 | 3904 | 4337 | 4554 | 4771 | 4988 | 5205 | 5422 | 5639 | |
| 28.0 | 2130 | 2556 | 2982 | 3408 | 3834 | 4260 | 4473 | 4686 | 4899 | 5112 | 5325 | 5538 | |
| 28.5 | 2093 | 2511 | 2930 | 3348 | 3767 | 4185 | 4395 | 4604 | 4813 | 5022 | 5232 | 5441 | |
| Courtesy Mustang Parts and Tech; www.mustangpartstech.com | |||||||||||||