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Duramax allison transmission
Duramax allison transmission










Any order placed for a non-CARB compliant part to the State of California, or other states with similar regulations will be automatically canceled and refunded. This sticker must be displayed in a visible location in the vehicle's engine bay for smog inspections. CARB approved parts will include a sticker containing the CARB EO number. In order for such parts to be legal for sale or use in the State of California, or other states with similar regulations, the part must acquire a CARB EO number so as to make it legal for use on a specific year/make/model of vehicle. Such aftermarket parts are subject to governmental emissions standards regulated by the California Air Resources Board (CARB). Generally, parts which alter or modify the original design or performance of a motor vehicle pollution control device or system are NOT LEGAL FOR SALE OR USE IN CALIFORNIA or other states with similar regulations. $5,000 Core Charge will be returned once core has been received.For custom convertor stall speeds please give us a call.We add 19% more capacity by the use of custom machined pistons, and proprietary steel and friction setups Upgraded C clutch stock is 5 clutches and our unit has 6.Upgraded E clutch stock is 5 clutches and our unit has 6.Upgraded F clutch stock is 5 clutches and our unit has 6.Many new billet upgraded internals are underway and will be available later this year.All new clutches and steel in the A,B, and D clutch packs back to factory specs.2 year unlimited mileage warranty 50k miles for commercial applications.Transmission is fully tested for hydraulic and performance integrity.Zeroflex Billet E Clutch Hub *Patent Pending*.Stage 5 Billet Triple Disc Torque Converter.We have spent over a year designing upgrades for this unit and while they are all not available yet, we now offer a upgraded model for you This means we are very limited in what we can add to this area. Unfortunately these clutches engage into the outer aluminum barrel and the design of this barrel has a very short spline area. This too is a backwards designed clutch and steel setup where the clutches are external teeth and the steels are internal. The F clutch in this unit is also a major issue. The hub wears excessively where the steels contact it and it is common for the hub to be destroyed when the E clutch fails as the steels plates then warp and embed themselves into the aluminum clutch hub. This means that the steel plates spline to the aluminum E clutch hub. The clutch plates have external teeth while the steel plates have internal teeth. Another first is that fact that the E clutch and steels are not designed in the traditional way. This hub is splined to the mainshaft of the transmission and is extremely susceptible to stripping the aluminum spline out of it. The E clutch hub in this transmission is made of aluminum.

duramax allison transmission

The Allison 1000 and nearly all of the other HD transmissions never used aluminum for clutch hubs and planetary gears. This compact nature also makes it very difficult to add additional clutch upgrades as there is very little space to do so.Īnother issue that both of these unit have is due to the extensive use of lightweight aluminum. All but one set of clutches resides in the internal aluminum barrels making this unit EXTREMELY compact and lightweight for its size. This means that the external case is just that, a case. The new Allison 10L1000 is barrel loaded transmission. While some will say that the GM version is better or the Ford is better, what is true is they are extremely similar. What you see here is a Allison/GM interpretation of a common design.

duramax allison transmission

This transmission was development hand in hand with Ford. In fact, this unit really isn’t an Allison anymore. The new Allison 10L1000 shares NOTHING with its predecessor the Allison 1000. We have jumped from 6 speeds to 10 speeds and with the change in speeds comes a massive change in form. With the ever increasing constraints that manufactures are seeing in regards to fuel economy, there has been rapid changes in technology in the transmission realm.












Duramax allison transmission