Is the 4L80 a good transmission?
The 4L80E is a descendent of the proven TH400 transmission design. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. It has better power flow for big power applications, much more clutch capacity and apply area than the 4L60E.
What does 4L80E stand for?
The term 4L80E denotes 4-Speed (4), Longitudinally mounted (L), 8000 lbs. vehicle weights for (80), and electronically controlled transmission (E). The ‘E’ means it requires an Electronic Control Unit (ECU) for control and firmness to enable its functionality.
What vehicle 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.
How much HP can a 4L80 handle?
In short, Performance Automatic yields a 4L80E engineered to handle 700+ horsepower and comparable torque.
Does a 4L80 need a computer?
The only logical transmission for our 4×4 was the 4L80E four-speed automatic transmission commonly found in 3/4- and 1-ton GM trucks and SUVs. The only downfall of this swap is that the 4L80E is an electronic transmission that generally requires an additional computer and wiring harness to operate properly.
What is the strongest GM transmission?
The 6L90 is the strongest of GM’s family of Hydra-Matic six-speed automatic transmissions.
How many gears does a 4L80 have?
There are five gears in a four-speed overdrive transmission: First, Second, Third, Overdrive, and Reverse. All of these gears have a clutch assembly that uses springs to keep the gear disengaged.
Will a 4L80E handle 500hp?
The 4L80E in stock form would be limited by it’s direct clutches (3rd gear) and that would be a part that would gradually fail at ~500 HP if raced often but last years on the street at closer to 600 HP/TQ in a passenger car application. Other than that it would mostly depend on the year model and how it was used.
When did the GM 4L80E transmission come out?
Despite its name, the 4L80E is not an upgrade to its GM counterparts. Introduced alongside the original 4L60 in the early 1990’s the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups.
What kind of case does a GM 4L80E have?
Like the other GM automatics, the 4L80E featured a die-cast aluminum case. Unlike the later 4L60E transmission, the 4L80E did not feature a removable bellhousing, but an integrated bellhousing with only the Chevrolet 90 degree engine bolt pattern being available.
What kind of solenoid does GM 4L80-E have?
The 4L80-E is rated to max GVWR of 18,000 (Axle and vehicle dependent) The 4L80-E uses 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II (On Board Diagnostics revision 2) regulations to 1-2 Shift Solenoid & 2-3 Shift solenoid.
What’s the weight of a GM 4L80 automatic?
It features a dry weight of 254 lbs. and can weight up to ~268 lbs. full. Like earlier automatics, the 4L80 features one line pressure tap available for testing and diagnostic purposes. They also feature transmission cooling ports for (highly-recommended) external transmission oil coolers.