The 5th Gen Mustang turned heads with retro styling and wooed scores of people hungry for a new sports car with the Camaro disappearing from the market only a couple of years before. After four successful years, Ford made a revision to the Mustang in 2010 and the following year, the Mustang switched the manual transmission offering from the TR-6060 6-Speed and T5 or TR-3650 5-Speeds to the Getrag MT82 6-Speed.
Complaints about the shift quality, gearing, and grinding gears began to surface. People took to forums, posted videos on the Internet and filed complaints with the government. The Getrag MT82 eventually was quietly improved and subsequent years didn't have as many mechanical problems as the initial 2011 model year, but many people still struggle with the low gearing and the remote shifter location.
When a transmission is designed, there are several areas of concern to keep in mind. To start with, the first gear should make it easy to launch the car. Usually this drive ratio (the ratio that takes the transmission’s first gear and the rear axle ratio into account to find the actual amount of times the engine must turn to spin the tires once) should be between 9 and 11. Too high and the tires will lose traction, too low and the engine won’t have enough power to launch the car, so 10 is about perfect for a rear wheel drive sports car like the Mustang.
2nd gear should be able to accelerate from 0-60 mph without redlining. 3rd and 4th gears should be pleasant and drivable. 5th gear is for reaching maximum speed while 6th gear is for fuel economy.
Because the rear axle ratio can effect the RPM drop, ideal transmission ratios will vary and what may be perfect for one car won’t be for another. The TREMEC Magnum XL comes with two different gear ratios sets to choose from.
This chart compares the two different Magnum XL gear sets with the factory Getrag MT82. The Mustang came in different performance packages that had different rear axle ratio options. The chart also compares the different rear axle ratios with the three transmissions.
Complaints about the shift quality, gearing, and grinding gears began to surface. People took to forums, posted videos on the Internet and filed complaints with the government. The Getrag MT82 eventually was quietly improved and subsequent years didn't have as many mechanical problems as the initial 2011 model year, but many people still struggle with the low gearing and the remote shifter location.
When a transmission is designed, there are several areas of concern to keep in mind. To start with, the first gear should make it easy to launch the car. Usually this drive ratio (the ratio that takes the transmission’s first gear and the rear axle ratio into account to find the actual amount of times the engine must turn to spin the tires once) should be between 9 and 11. Too high and the tires will lose traction, too low and the engine won’t have enough power to launch the car, so 10 is about perfect for a rear wheel drive sports car like the Mustang.
2nd gear should be able to accelerate from 0-60 mph without redlining. 3rd and 4th gears should be pleasant and drivable. 5th gear is for reaching maximum speed while 6th gear is for fuel economy.
Because the rear axle ratio can effect the RPM drop, ideal transmission ratios will vary and what may be perfect for one car won’t be for another. The TREMEC Magnum XL comes with two different gear ratios sets to choose from.
This chart compares the two different Magnum XL gear sets with the factory Getrag MT82. The Mustang came in different performance packages that had different rear axle ratio options. The chart also compares the different rear axle ratios with the three transmissions.
