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whats the max a allison can take till you have to rebuild it. if you go to my garage you can see whats on the truck and what we have in it.
 

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90hp over stock. You need a tranny if you want to run anything over 90 playing or 50 towing.
 

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Unless you/someone replaced the LB7 for an LLY, all 2003s came with LB7 motors.
 
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