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Discussion Starter · #1 ·
Looking at buying a new truck. one truck that im looking at has an LLY and one has an LBZ. Both are 2006 with 7,000 miles and they are the same price.:help
 

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ECM Programing!!!!!!! Stock HP Levels are different:cool 06 LLY being 310 IIRC and THe 06 lbz is 360
 

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Discussion Starter · #3 ·
So with a lets say with EFI live would the LLY and the LBZ make the same amount of power or will the LBZ always make more power ?
 
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