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Discussion Starter #1
i have an lb7 im putting in my truck and also an allison 6 speed. is there any issues putting the 6 speed behind the lb7? will the lb7 ecm communicate with the 6 speed tcm? also i want the tap shift, any issues there? i will put an 06+ allison shifter lever in my truck to run the tap shift and get it all wired in. any input greatly appreciated.
 

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i do know that it won't work,something about the tcm/ecm doesn't work with it and it can't be fixed with efi, the closest you get to a 6 speed is using a suncoast conversion kit that adjusts your valve body or something like that, its 2000$......
 

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Discussion Starter #5
if it wont work then i will convert it to lbz i suppose
 

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Discussion Starter #8
i already have a 6spd. i picked one up in GREAT shape with 60k on it for 1,000
 

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I could be wrong but I thought I read it on a thread somewhere? I shouldn't have sounded so certain but I do think I saw a thread sometime or another?
 
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