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What year 4L80E are the same?
4L80E production started in 1991 and continues today. 1991-1996 cores are essentially the same and interchangeable with some minor updates and differences.
What’s the difference between a 4L60E and a 4L80E transmission?
The 4L80E is larger and heavier than the 4L60E. Its more hefty build can be tied to its 236 lbs and a length of 26.4″. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5″. A comparison between the size and weight shows that the 4L80E is significantly larger and heavier.
Can you run a 4L80E without 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. However, the 4L80E can be easily converted to a manually shifted valvebody, which eliminates the need for the computer and much of the electronics and wiring.
How strong is a stock 4L80E?
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. lbs. of torque at a stall level of 2800 to 3400 rpm.
What happens when a transmission pump goes out?
When your transmission pump has gone bad, the fluid will not be able to circulate in the transmission properly. Consequently, the system will start to overheat, burning the fluid. As part of your car maintenance routine, you should always check your transmission fluid.
What causes a transmission pump to break?
Low Fluid. Low fluid is one of the most common causes of problems for transmission oil pumps. Without a sufficient amount of transmission fluid, the transmission oil pump will not have anything to pump and can overheat or burn up.
How much HP can 4L60E handle?
Their Stage 2 Pro Race transmission can handle gobs of power while their Invincible Black Edition 4L60E trans can support over 1,000 ponies.
How much horsepower can a 4l80 handle?
In short, Performance Automatic yields a 4L80E engineered to handle 700+ horsepower and comparable torque.
What kind of transmission does a 4L80E have?
Identification of the 4L80E is pretty easy. If you use the process of elimination, there are only a few transmissions that it can be. The transmission itself has been around since 1991, and the case has changed a bit like the 4L60E/ 700R4 twins. The 4L80E is essentially a TH400 with an overdrive gear added.
Can a GM 4L80E be swapped for a muscle car?
If you are looking to swap a 4L80E into a muscle car, this article from Hot Rod is a good read. With all GM longitudinal transmissions, it is far and away easiest to identify them by the amount of bolts on the transmission pan. Only the TH350 and TH400 share the same number of bolts.
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.
Where does the lube go in the 4l80e-97?
4L80E – 97 and Later Models Center Support/Shim/Sun Shaft (99up Models) The 2nd design sun gear has 4 deep notches (and small hole between gears) for lube to flow from the sun shaft, into the sun gear, and on to the planets. The 1st design sun gear has 2 small/shallow notches and a large hole between gears for lube to flow to planets.