In February 2006 GM announced that it would invest … Im super wet behind the ears with tuning and tweaking. I followed a couple well put together beginner 6l80 tuning videos on youtube and searched around a little. If the transmission is in the vehicle you can use the RPO tag in the glove compartment. The early release of this product line was introduced in Cadillacs and Corvettes, but before … By utilizing more gearing, the 6L80 keeps the car in it’s power band longer, improving the MPG of the vehicle between 4-7% (over the previous generation fours speed transmissions) depending on the configuration of the vehicle that it’s in. Technical advise or tuning questions are not answered for non-members. Contact & Comment Info. 6L80/90E Swap Components. Due to the size of the transmissions, there is also a large difference between the durability of these transmissions when it comes to performance. 6L80 GM 6spd Information. GMT360 (Trailblazer, etc) TBSS Rear Valance Designs. CONCERN: 6L80/6L90 (RPO MYC, MYD) applications built before June of 2010 may exhibit a slip condition related to the operation of the 1 -2-3-4 clutch. My 6l80e in my 13 tahoe is my first venture. A remanufactured 6L80E transmission on the other hand, is completely remanufactured, and it’s designed to exceed the manufacturer’s original specifications. Comes with all the wiring and controllers. In fact, the only 2017 model year vehicle that still comes with this transmission is the Chevrolet SS. In the market for overdrive tranny for the 72 Chevelle. Inspect the harness near the rear of the truck for being pinched between the bed and frame of the truck. A lot of updates have occurred to the parts to address the problems you may be experiencing. TBSS DIC Upgrade Kit . Don't forget that the 6L80 is the 1/2ton tranny, and is to replace the 700R4,4L60, 4L65E and 4L70E line of trannys. Don't forget that the 6L80 is the 1/2ton tranny, and is to replace the 700R4,4L60, 4L65E and 4L70E line of trannys. 6l80 is strong with correct tune..dont believe alot of nonsense ppl lie about. This means that it’s designed for rear wheel drive vehicles only. This size difference means that they are not easily interchangeable. In fact the input torque rating is 440 lb. C $381.62. Comparing the two cross sections, you also quickly see that the orientation of the spring dampers is different. It also features two overdrive gears. There is no difference between the 6L80 and the 6L80E. Nothing crazy. A 4L80E is a slam dunk behind a SBC in a '55 Bel Air but a 6L80E is not. Unlike some older transmission designs, the 6L80/90 applications also apply the Low Reverse (L/R) clutch to aid the low sprag during take-off. Introduced in late 2005 to become the 6-speed replacement for the 4-speed transmissions such as the 4L60E, the 6L presented several new challenges. Comes with all the wiring and controllers. 6l90 vs 6l80 Circle D Level 2 and 3 Install kits available!!!!! S F E p V 3 8 U o n R s o r e d P 2 F. … Difference Between 4L60e & 4L80e by Jess Kroll . Other Articles - March - 2018 Getting to Know More About the 6L80/6L90E. The 6L80 / 6L90 valve body center support oil transfer holes are located more to the top (3). That’s more than almost any other GM automatic transmission. PROJECThrowdown:TBSS 6L90. Robbie here. Th e 6L80 features a generously deep first gear for an automatic, making for favorably powerful starts from a standing stop. All previous GM automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. 6l80 6l90 transmission bell housing / pump body cast 24248033 fits '06+ gm 6-speed . The 4L80/85E tranny replacement is the 6L90. Any reason why I wouldn't go with a 6l80e over a 4l80e? In the market for overdrive tranny for the 72 Chevelle. PROJECT:GTO-Xecutioner. Differences between the 4L80E and 4L60E. Information about GM's 6-speed 6L80 MYC Hydra-Matic transmission, including details, specifications, vehicle applications, and more. August 25th, 2013. 6l90 vs 6l80 . Did they use both of these in 2013? The gearing spread is a very capable 6.04, with ratios in each gear as follows: compared to your stock JK auto transmission you can see a 6L80e has a much better 1st and second gear along with 2 overdrives. It’s a longitudinal transmission (that’s what the L in 6L80E stands for). By reducing the rpm drop between gears, the engine remains within its power band. Three Differences Between a 6L50 Transmission and a 6L80/6L90 Transmission. My crewcab is over 6000lbs, made 770/760 on mustang dyno, ran [email protected] with a bone stock 6l80 with no signs of issues. and it can handle a total gross vehicle weight of 8,600 lb, which makes it a great transmission for LS swaps with no modification needed whatsoever. 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