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View Full Version : can i put an allison transmission on a 2004 1/2 ton 2wd 5.3 liter chevy avalanche?


natertot123
12-05-2008, 10:07 AM
i have a 4 speed stock tranny in now and its starting to go out... i want to put in a 6 speed but i also want it to last longer than the first... if an allison would work... how much would it cost?... if not... any suggestions on what i could put in it? ( i tow quads, a VW bug... jetskis... and sometimes boats)