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    LB7: Lb7 trans rebuild upgrade?

    I have a 2001 gmc 2500hd lb7 and i need a rebuild because my transmission cant hold as much hp as what my programmer is giving out causing it to go into a limp mode. All that is done to the motor that i know of is injectors gaskets and a k&n air filter. I want to get an upgraded kit but i want...
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    Allison 5sp: Allison trans. Problems

    Hello I'm having a problem with my tranny over heating and then I get two codes on my efilive autocal P1711 and p0700. I have a 2001 gmc Duramax. When the transmission gets to about 180-200 degrees it goes to them codes and makes my truck go into limp mode. It starts me out in 4th gear and for...
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