How much power can a stock 6L80E handle?
With these modifications, a 6L80E can handle 500 to 600 rear-wheel horsepower in the typical street/strip application, although we have had customers push them all to the way to 1,000 hp.”
What is the difference between a 6L80E and a 6l90e?
What is the difference between 6L80 and 6L90 transmission? The main difference between the 6L80 transmission and 6L90 transmission is the strength of the internal components. The 6L90 transmission case is 1-3/8” longer, which provides extra room to house two additional pinion gears (6 total).
Are 6L80 and 6L90 interchangeable?
The 6L80/90 has a maximum RPM limit of 6500 RPM. Not all 6L80/90’s are the same. GM states, “There is also a 6L90 “Lite” version without the additional clutch plate to more closely match application requirement where appropriate.”
Are all 6L80 transmissions interchangeable?
While the 6L80 is generally mechanically compatible with Chevrolet and GM Gen. III+ engines, due to its advanced control strategy, the 6L80 is functionally compatible only with Generation IV GM engines and their matched Engine Control Modules.
What are the problems with the 6L80 transmission?
The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software …
Does a 6L80 transmission need to be programmed?
This transmission is an electronically controlled unit with an internal TCM (transmission control module) that must be Reprogrammed before operating the vehicle. Failure to do so will destroy the transmission.
Will a 6L80E bolt up to a LQ4?
As long as you don’t have an early LQ4 with the longer crank, the 6L80E should bolt up.
Is a 6L80 a 6 speed transmission?
The 6L80 (and similar 6L90) is a six-speed automatic transmission built by General Motors at its Willow Run Transmission plant in Ypsilanti, MI.
How do you relearn a GM transmission?
Steps to Resetting Transmission Control Module
- Step 1: Turning Key Position.
- Step 2: Press gas pedal.
- Step 3: Keep Waiting.
- Step 4: Turning the Key Off.
- Step 5: Releasing Gas Pedal.
- Step 6: Wait Again.
- Step 7: Ready.
- Identification.
How do I reset my 6L80 transmission?
Perform this procedure ten (10) times (N-D-N-D-N-D…). With the engine at idle, shift from NEUTRAL to REVERSE and leave shift lever in REVERSE for five (5) seconds. After five seconds, shift back to NEUTRAL position and leave shift lever in NEUTRAL for five seconds.