Can you put a 4L80E in place of a 4L60E?
Upgrading from the 4L60E to the 4L80E is akin to going from a Dana 44 axle to a Dana 60–you’ll add some weight, but also add durability. According to GM Powertrain information, the 4L60E has a maximum engine torque rating of 360 lb-ft and a maximum gearbox torque rating of 610 lb-ft.
How many miles does a 4L80E transmission last?
Mine has over 300,000 Kilometers on it and is still going strong. The 4L80E is commonly known as a fairly bulletproof tranny, so as long as it’s not abused they’ll commonly outlive most vehicles they’re in.
How strong is a 4L80E transmission?
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.
How much does a 4L80E cost?
Replacement 4L80E Transmission Prices:
| Transmission | Street Smart Transmission | Dealer Retail |
|---|---|---|
| 4L80E | 1875 | 2800 |
How reliable is a 4L80E transmission?
Using our modifications or some valve body kits, the direct clutch issues are resolved and the 4L80E will generally be reliable up to the 750 HP/TQ range unless it’s a very heavy combination (over 4500 lbs) or using nitrous.
Is a 4L80E Transmission good?
The GM 4L80E Automatic for Max Power and Good Cruisin’ Overdrive transmissions are great inventions. They allow a car to run deep rear gears for tire-smoking or wheel-hangin’ launches yet still maintain some semblance of highway cruising ability. The problem is durability.
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 overdrive does a 4L80E have?
It was the need for an overdrive transmission that was the ultimate reasoning behind retiring the TH400 transmission. Having identical ratios, the exception of the 4L80 was that it has a 0.75:1 overdrive used for 3/4 and 1 ton pickup trucks that have either a 6.2L or 6.5L diesel engine.
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.
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.