How much HP can 4L80 handle?
How much power can the 4L80E handle? A totally stock unit or rebuild will typically live well with up to 450 flywheel HP/TQ.
What car has a 4L80E transmission?
It was also adopted by Rolls Royce in 1991 and modified after extensive testing, and used initially in the Bentley Continental R, and subsequently other Rolls Royce and Bentley vehicles. The 4L80 and 4L85 were built at Willow Run Transmission in Ypsilanti, Michigan….GM 4L80-E transmission.
| 4L80-E/4L85-E | |
|---|---|
| Overview | |
| Successor | 6L90 |
How much power can a stock 4L80E hold?
The GM 4L80E Performance Transmission Level 4 is powered with whopping 800 Horse Power. This automatic transmission gear can also generate up to 700 ft.
Is a 4L80 a good transmission?
Though often overlooked, GM 4L80E automatic trans have had a reputation of being some of the best options on the market. The high-performance automatic transmission is known for its power and reliability.
Can you replace a 4L60E with a 4L80E?
Upgrading from the 4L60E to the 4L80E is akin to going from a Dana 44 axle to a Dana 60–you’ll add some weight, but also add durability. According to GM Powertrain information, the 4L60E has a maximum engine torque rating of 360 lb-ft and a maximum gearbox torque rating of 610 lb-ft.
Is a 4l65 better than a 4l60?
More pinion gears help to spread the load, allowing 4L65E transmissions to handle more torque than their 4L60E brethren. Additionally, a better 3-4 clutch, improved input shaft, and a deeper pan for more fluid were added.
Which is better 4L60E or 4L65E?
The 4L65E is ideal for such a high amount of torque, as its five-pinion design, 3-4 clutch and improved hydraulic fluid capacity make it a clear winner over the 4L60E for heavier builds with more required power.
How much does it cost to rebuild a 4L80?
A local transmission shop will rebuild a 4L60E for around $900 to $1,200 and a 4L80E for $1,300 to $1,800, with used units going for about $400 and $600 to $1,000, respectively.