![]() ![]() Hint: if you install your own flex plate, please make sure it's not on backwards. We will install the flex plate if you are purchasing the engine from us. Hughes Performance Extreme Series Flexplate - 168 Tooth, SFI Rated, 4MM Thick Extreme Series, LS, Dished, 6-Lug Bolt Pattern. We also only inventory slip yoke transmissions. LET US KNOW IF YOU NEED TO PURCHASE A TRANS CONTROLLER. These also control the transmission thereby eliminating the need for separate trans-controller. Our LS engines typically come with Holley Terminator X-Max engine management systems. YOUR CUSTOM TORQUE CONVERTER IS BUILT TO ORDER AND SHIPPED SEPARATELY FROM HUGHES PERFORMANCE. ![]() YOU MAY WANT A DIFFERENT CONVERTER IF YOU ARE RUNNING TURBOS AND WANT EASIER SPOOLING. THE TYPICAL TORQUE CONVERTER IS IDEAL FOR OUR SUPERCHARGED ENGINES IN VEHICLE UNDER 4,000 LBS. The typical converter for this transmission is set for about 2,800 rpm stall but can be tuned for stall between 2,500 and 3,000 rpm. FREIGHT BILLED SEPARATELY NO CORE CHARGE We needed a 4L80E automatic transmission to handle our Whipple supercharged LS7 engines for mixed street and track. The lock up virtually eliminates heat build-up in the converter at cruising speeds while providing even more efficiency since its not slipping. This 4L80E utilizes a billet, lock-up torque converter which allows you to have the best of both worlds… high stall speed and maximum torque multiplication to maximize the performance, and lock-up function via an internal clutch. This transmission kit includes everything you'll need including: 4AN or 6AN Vent to facilitate use of a catch can.All new GM internal electronics, wiring harness, and case connector.Recalibrated Valve Body Using 4L80E-HD2 TransGo Kit.Kevlar or High Energy Intermediate Band.New Bushings, Bearings, Seals, and Gaskets.The custom transmission that emerged has features that will perfectly compliment your Borowski Race engine (or anyone else's). Use a standard depth oil pan to maintain ground clearance for street use and.Survive the beating our engines can dish out.Specific requirements were for the transmission to: Our solution was to work with Hughes Performance and develop custom transmissions capable of the task. Our own experience at the track with transmission failures convinced us that we had to broaden our scope to engine and transmission packages. Incredible throttle response but the surge in torque will tear up a weak transmission that might survive the same horsepower level from say a turbo boosted engine. No other type of power adder changes the torque being delivered to the wheels that quickly. Like most twin screw superchargers, the Whipple has an internal bypass which can swing the engine from vacuum to full boost in a fraction of a second. Upgraded actuator feed limit valve prevents missing shifts and premature transmission failure. It is known for its durability and reliability in high-performance applications.We needed a 4L80E automatic transmission to handle our Whipple supercharged LS7 engines for mixed street and track use. Fully remanufactured valve body, with complete system correction and recalibration kit, improves pressure control and shift quality. The 4L80E transmission is controlled electronically, allowing for precise shifts and the ability to adapt to changing driving conditions. It is constructed using robust materials such as cast iron and aluminum alloy, making it suitable for use in heavy-duty applications. It features a four-speed gear layout and is capable of handling high horsepower and torque outputs. The 4L80E transmission is a heavy-duty automatic transmission that is designed for use in rear-wheel drive vehicles. Avalanche 2500 General Motors LS engine only (2002-2006).The 4L80E and 4L85E transmissions, representing an evolution. Please refer to our warranty page for more information. General Motors 4L80E and 4L85E 4 speed automatic transmission specs, ratios, and information. Overall, the Transmission is a reliable and durable option for those in need of a high-performance transmission for their heavy-duty vehicle. The transmission is controlled electronically, allowing for precise shifts and the ability to adapt to changing driving conditions. ![]() The transmission features a four-speed gear layout and is constructed using robust materials such as cast iron and aluminum alloy, making it well-suited for use in heavy-duty applications.Īn overdrive gear for improved fuel efficiency and a lock-up torque converter for enhanced performance are features of the 4L80E Transmission Heavy Duty. It is designed for use in rear-wheel drive vehicles and is capable of handling high horsepower and torque outputs. The 4L80E transmission is a heavy-duty automatic transmission that was introduced by General Motors in 1991. ![]()
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