The weak links in these transmissions are usually the clutch packs, namely the 1 to 2 power-up-shift, and the 2 to 3 power-up-shift. These guys know the ins and outs of these transmissions, and they filled us in on the strengths and weaknesses of each design, and how they can be modified into bullet proof units that can handle anything you can throw at them. The ideal operating temperature for this transmission is 180°or less. All versions share a unique output gearset configuration that enables it a wider range of ratios than a conventional planetary gearset automatic transmission. This sale price won't last long so get yours now while supplies last. Contact seller for limited warranty part details, qualifications, and possible labor coverage. The 6L90 shares about 75 percent of the parts as the 6L80, although the case of the 6L90 is 35 mm longer than the 6L80 case.
I am so happy I decided to purchase this transmission from Smart Parts. By using this site, you acknowledge and agree that, other than downloading or printing a single copy of a particular work for your own personal use, you are expressly prohibited from reproducing, distributing, selling, or displaying any of the works contained within the website in any other manner without the express written permission of General Motors. Our continued development in custom modifications and billet upgrades makes your choice an easy one. This transmission is considered to be of a very heavy-duty design, and was mainly used in the top of the line high performance vehicles. The 4L60 has a 3. The transmission and module are assembled together, so no additional steps are necessary during vehicle assembly. If this is not done properly, you run the risk of premature transmission failure.
Each 6L90 also comes with a performance built lockup torque converter. For high horsepower and racing use the top 5 upgrades would be a billet input shaft, a billet forward clutch hub, a billet intermediate shaft, a modified direct drum with custom 36-element intermediate sprag and races, and a transbrake valve body. The 3-5-R direct clutch has 14 single sided clutches and the 4-5-6 overdrive clutch has 18 single sided clutches. Pete Nichols from offered us this advice on where to find each type of transmission. It uses an extremely steep 4. The information contained on this website is proprietary information of General Motors protected by trademark, copyright, and other intellectual property laws. Why not spend a few days on vacation while your new performance transmission is installed? Contact seller for limited warranty part details, qualifications, and possible labor coverage.
A will include major internal modifications and upgrades designed to make it both stronger and more durable. We also have transbrake options in both full manual and automatic shift configurations for the 4L80E. While harsh winter weather will keep some folks indoors, owners of four-wheel drive vehicles will head out to plow, tow or go off-road for the favorite snowy and icy pursuits. Please call or click on the tab for acceptable core conditions and details. Beginning in December, reman versions of the model year 2018 8L45E and 8L90E 8-speeds will become available for select vehicle applications. Heat is going to be your transmissions worse enemy and nothing sheds the transmission of excessive heat quicker than a larger transmission cooler. Please complete the Shipping Form on our website if you would like us to arrange shipping.
This valve body requires manual upshifting and downshifting. You can buy this Extreme Duty 6L80E transmission and Full Billet torque converter for the price shown here plus a core charge on the transmission and converter. Luckily the aftermarket already offers custom crossmembers for this type of application. Walczak from Gearstar shows us the stronger fourth generation 5-pinion planetary gear set. You can change the firmness of the shifter, change at which rpms the transmission shifts, and even increase the transmissions working line pressure. The fluid pump is fully integrated with a resurfaced rotor and machined body mating ensuring consistent fluid pressure. Performance Algorithm Braking Performance Algorithm Shifting is available on some applications.
Install an aftermarket transmission cooler to supplement the factory transmission cooler. Please contact us for tuner recommendations. This Hydra-Matic six speed automatic is a direct replacement for the Chevy Camaro, Express van, Savannah, Sierra, Suburban, Yukon and Tahoe. Thank you for the opportunity to assist you. We work with different manufacturers in the development of stronger parts. While this is a common upgrade, many owners fail to beef up the 6L90 transmission, too.
And when you get down to it, the clutch capacity in all of these transmissions can be increased to make them all stronger better able to handle more horsepower. These websites are updated sixteen hours per day seven days a week. Zero Gravity Performance is a company with over 30 years experience working in the automotive performance market. Simply put, remanufactured parts are parts rebuilt to the exact specifications of the original manufacturer. Change the shifting characteristics of the transmission. We recommend using a Hot Flush Machine or something comparable.
Modular Design The modular concept of the Hydra-Matic 6L80 centers on the desire for common components and manufacturing tooling for four different size variants of the six-speed family. All you need to do is change the pulley on the supercharger and download a new computer tune. By using this site, you acknowledge and agree that, other than downloading or printing a single copy of a particular work for your own personal use, you are expressly prohibited from reproducing, distributing, selling, or displaying any of the works contained within the website in any other manner without the express written permission of General Motors. Improved friction materials and valve body reprogramming and modifications are always a smart move, though. Please only drive the vehicle for tuning purposes until this process is completed.
Also included is our billet intermediate shaft and hub assembly. Make the most of your vehicle's horsepower with a top-of-the-line, performance transmission. . The Alto Red Eagle Power Packs are here and we install them in our Extreme Duty 6L80E transmissions. The non-electrical unit uses a throttle valve T.
But the best performance upgrade you can install in any of these transmissions is custom high performance torque converter. This is a 75% larger clutch apply area in the 3-5-R clutch and a 50% larger clutch apply area in the 4-5-6 clutch. Also, an aftermarket shifter would need to be installed in the vehicle, as well as an aftermarket electronic transmission controller. Electronic safeguards prevent over-revving should the wrong gear position be accidentally selected. Driver Shift Control Driver Shift Control allows the driver to shift the transmission like a clutchless manual gearbox. Parts only warranty when consumer repaired or when installed in non-highway application. Our performance specs bushings improve internal fluid flow and pressures.