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Ive been talking back and forth with a guy about trading for an LS6 swapped truck. Its supposed to be an LS6 short block, with a custom grind cam and TEA 5.3L heads. Can someone tell me where the casting numbers are located on the block, Im going to try to get him to take some pictures for me.
 

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Mayhem, Like Me
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3,087 Posts
should be on the rear of the block next to where the bell housing bolts up.
 
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