GM 4L65E vs. 4L60E information (anybody want to upgrade?)
02-09-2004, 08:39 PM
#1
Drifting
Thread Starter
FYI only: GM 4L65E vs. 4L60E information ( want to upgrade?)
Found a great article that showed the differences between the 4L60E and 4L65E. It's on page 51 of the November issue of Super Chevy magazine.
The article notes that the 4L60E is limited to 360 ft.lbs. engine torque. The 4L65E however is limited to 380 ft.lbs. in truck applications (Escalade etc.) because of the hefty weight of these vehicles. Installed in cars, engine torque limit would be around 400 ft.lbs. (read C6!).
The 4L65E is available from GM as a service item for people wanting to replace their 4L60E. The 4L65E P/N is 24221888
The differences between the 4L65E vs. the 4L60E are:
- Five pinion gears for reaction and input gear sets instead of four
- Input sun gears made from powdered metal
- Heat treated stator shaft splines
- Induction hardened turbine shaft
- Heavier duty low/reverse roller clutch
- Additional friction plate added to the 3-4 clutch (7 plates vs. 6)
- Shot peened output shaft
- Revised valve body calibration
Most significant improvement is the use of the five pinion gears for input and reaction gearsets.
There's more info ..... really good article
[Modified by Alex D, 7:42 PM 2/9/2004]
The article notes that the 4L60E is limited to 360 ft.lbs. engine torque. The 4L65E however is limited to 380 ft.lbs. in truck applications (Escalade etc.) because of the hefty weight of these vehicles. Installed in cars, engine torque limit would be around 400 ft.lbs. (read C6!).
The 4L65E is available from GM as a service item for people wanting to replace their 4L60E. The 4L65E P/N is 24221888
The differences between the 4L65E vs. the 4L60E are:
- Five pinion gears for reaction and input gear sets instead of four
- Input sun gears made from powdered metal
- Heat treated stator shaft splines
- Induction hardened turbine shaft
- Heavier duty low/reverse roller clutch
- Additional friction plate added to the 3-4 clutch (7 plates vs. 6)
- Shot peened output shaft
- Revised valve body calibration
Most significant improvement is the use of the five pinion gears for input and reaction gearsets.
There's more info ..... really good article
[Modified by Alex D, 7:42 PM 2/9/2004]
06-02-2017, 03:09 PM
#2
hi
Found a great article that showed the differences between the 4L60E and 4L65E. It's on page 51 of the November issue of Super Chevy magazine.
The article notes that the 4L60E is limited to 360 ft.lbs. engine torque. The 4L65E however is limited to 380 ft.lbs. in truck applications (Escalade etc.) because of the hefty weight of these vehicles. Installed in cars, engine torque limit would be around 400 ft.lbs. (read C6!).
The 4L65E is available from GM as a service item for people wanting to replace their 4L60E. The 4L65E P/N is 24221888
The differences between the 4L65E vs. the 4L60E are:
- Five pinion gears for reaction and input gear sets instead of four
- Input sun gears made from powdered metal
- Heat treated stator shaft splines
- Induction hardened turbine shaft
- Heavier duty low/reverse roller clutch
- Additional friction plate added to the 3-4 clutch (7 plates vs. 6)
- Shot peened output shaft
- Revised valve body calibration
Most significant improvement is the use of the five pinion gears for input and reaction gearsets.
There's more info ..... really good article
[Modified by Alex D, 7:42 PM 2/9/2004]
The article notes that the 4L60E is limited to 360 ft.lbs. engine torque. The 4L65E however is limited to 380 ft.lbs. in truck applications (Escalade etc.) because of the hefty weight of these vehicles. Installed in cars, engine torque limit would be around 400 ft.lbs. (read C6!).
The 4L65E is available from GM as a service item for people wanting to replace their 4L60E. The 4L65E P/N is 24221888
The differences between the 4L65E vs. the 4L60E are:
- Five pinion gears for reaction and input gear sets instead of four
- Input sun gears made from powdered metal
- Heat treated stator shaft splines
- Induction hardened turbine shaft
- Heavier duty low/reverse roller clutch
- Additional friction plate added to the 3-4 clutch (7 plates vs. 6)
- Shot peened output shaft
- Revised valve body calibration
Most significant improvement is the use of the five pinion gears for input and reaction gearsets.
There's more info ..... really good article
[Modified by Alex D, 7:42 PM 2/9/2004]
