Can I replace a 4L60E with a 4L80E?
Swapping from the 4L60E to the 4L80E is not difficult to do in vehicles that were equipped with both transmissions. Here are the main parts that you are going to need in order to make your own 4L60E to 4L80E swap kit. It’s not the easiest swap to do, and a 4L60E can handle a lot of power on its own.
How much torque does a GMC 4L80E transmission have?
Also, the 4L80E performance transmission was designed for cars up to 16,500 lbs GVWR with towing capacity up to 22,000 LBS, and whose engine is up to 440 ft. lbs. (597 N·m) of torque. Some cars that used the 4L80E transmission include Chevrolet/GMC pickups, commercial vehicles, and vans.
When did the GMC 4L85 transmission come out?
The 4L85 transmission was introduced in 2002. Some of the differences included a 5-pinion output gearset and 5-pinion reaction gearset. Though not a transmission development change, in 2006 GM specified a new transmission fluid formulation and required its use (for warranty) in the 4L80 series.
What kind of engine is the 4L80E used for?
The 4L80E was designed to be used in the duty range of the 4L60E and the Allison series transmissions – these were transmissions the TH400 had already found use cases in. On the other hand, the 4L80E became more popular in Big Block gas and diesel engines given that Allison transmissions were used in medium-duty class (4000 series) trucks.
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 was the GM 4L80 transmission built at?
The 4L80 and 4L85 were built at Willow Run Transmission in Ypsilanti, Michigan . The 4L80-E ( RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. The 4L80-E is rated to max GVWR of 18,000 (Axle and vehicle dependent)
What kind of truck is a 4L80E?
I deff have a 4L80E. Its a 93 Suburban 4×4 8 lug 2500. Shes got a small block in it, but its a GVWR of 8600, and I dont see them puttin no 700R4 in that big of a truck, havent heard of that since 6.2 diesel suburbans in the 80’s.
What kind of torque converter does GM 4L80 have?
The torque converter is a fluid turbine drive and like those on its predecessor transmissions; the TH350C, 700R4, and 4L60, the 4L80 features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. The 4L80 features a 310 mm torque converter. As to length, this transmission is 26-1/4″ long.
Can a 4L80E truck shift to overdrive?
In OD, truck shifts smooth through First, second and third, just wont shift to overdrive. Fluid is clean, no metal shavings, no burnt appearance or smell. To be quite honest, the trans looks great inside the pan. The trans shop guy said the transmission was rebuild a few years ago, which is good, trucks got 208k on her.