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Discussion Starter #1
I purchased my truck last week and was wondering how do you tell the difference in the LB7 and LLY? My engine says it was manufactured 09/2003.
 

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Look on your glove box door(inside) for all the build codes. LLY or LB7 will be there towards the bottom of the list.
 

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338_ said:
Look on your glove box door(inside) for all the build codes. LLY or LB7 will be there towards the bottom of the list.

Thanks!
 
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