Which is better 4l80 or 6l80?
“The main difference is that the 6L80E has much more versatile gear ratios. The 4L80E is more proven because it has been around much longer and more parts are available for it, but the 6L80E has come a long way and they can handle tons of power with a few basic upgrades.”
What do you need to know about GM 4L80E transmission?
Because the 4L80 transmissions are sometimes used in conversion applications with earlier, non-PCM controlled engines, GM and aftermarket control modules are required and used to control the operation of the transmission in these scenarios. The 4L80E transmission may feature two speed sensors, one for turbine input speed and one for output speed.
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 does a GMC 6.0L have?
This Premium Longblock engine includes block, crankshaft, connecting rods, pistons, timing set, oil pump, camshaft, lifters, bearings, gasket set, cylinder heads, valves and springs. Labor time up to $50/hr. and only if originally installed at an automotive repair facility.
What is the towing capacity of a GM 4L80E?
The case is die cast aluminum. The 4L80E was designed for vehicles up to 8000 lbs. GVWR and with engines up to 440 ft. lbs. of torque. The 4L85 was designed for vehicles up to 16,500 lbs. GVWR and with engines up to 460 ft. lbs. of torque and towing capacity was up-rated to 22,000 LBS.
When did the Chevy 4L80E transmission come out?
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. In 1991 the 4L80E was rolled out in GM trucks, including the Sierra, Silverado, Suburban, etc. as well as the Hummer H1.
When did the Chevy 6.0L Vortec 6000 come out?
The 6.0L Vortec “6000” engine was introduced in 1999 and remained in production until 2019 when it was replaced by the 6.2L Vortec. The Chevy 6.0 is a small-block V8 engine that produces 300hp-345hp and 360tq-380tq, depending on the engine version. The 6.0 engine had nine variations over its 20 year life span.
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.
Do you need a transmission controller for a GM 4L80?
Engine Compatibility While the 4L80 is generally mechanically compatible with Chevrolet style GM engines, it does require a transmission controller. That controller may be the factory-integrated with the PCM as on 1991-1999 TBI & Gen II engines, with the 1999-2007 Gen III engines, or the 2007+ Gen IV engines.