How do I identify a 6l80e transmission?

Whats the difference between a 6L80 and a 6L80E?

It is a heavy-duty version of the 6L80 six-speed automatic, with a strengthened input gearset which has two additional pinion gears for six total, and a strengthened output gearset, that uses wider gears than the 6L80.

How do you tell the difference between a 6L80E and an 6L90E?

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).

How can I tell if I have a 4L60 or 6L80?

One gentleman told me that the 4L60 has a circumference of 55” and is 18” tall and that the 6L80 is 50” around and 18” tall. The main difference being the output shaft is located higher on the 6L80.

What vehicles have a 6L80E?

The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS and CTS, Camaro, and G8 .

Can a 6L80E replace a 4L80E?

With the introduction of the 6L80E in the ’06 Corvette, the gear tally is all tied up at six for both manual- and automatic-equipped GM performance machines alike. … Consequently, the 6L80E is essentially the replacement for the venerable, TH400-based 4L80E rather than a successor to the 700R4-based 4L60E.

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How do I know what Chevy transmission I have?

Chevrolet transmissions can be manual or automatic. Automatic transmission on a Chevy can be identified in one of two ways: You can look at the size of the pan on the transmission or you can search for the identification number that has been stamped somewhere on the casing.

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.”

Can I swap a 6L80 for a 6L90?

I did the same thing,except I took parts off different donors ZL1’s. 6L80 converter will work with a 6L90. The TCM will have to be reflashed to a 6L90 at the dealership first,then it can be tuned normally.

When did the 6L90E come out?


In 2006 General Motors introduced their new line of the innovative 6L80E transmissions. Unlike previous GM transmissions that evolved from earlier transmission models.

Is the 6l80 better than 4L60E?

6l80 hands down every day over the 4l60e. The main weak spot on the 6l80 is the torque converter and the tuning. Get a better torque converter in there and some solid tuning, and they are good transmissions.

How long does a 6l80 transmission last?

How long does a 6l80 transmission last? CVTs found in new car models may last around 100,000 miles under strict regular car maintenance.