2004 to 2006 block

dalzrw

New member
Oct 7, 2010
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does anyone know if i can use a 2006 bottom end in place of my 2004? i want to just use the 2006 short block as i blew up the 2004 and have a salvage 2006 with low miles.
 

Cougar281

Well-known member
Sep 11, 2006
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276
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St Louis, MO
I think you'll have to swap the reluctor wheel from your 04 on to your 06.

Yes; The heads will bolt onto the shortblock, but you'll need to move the LLY reluctor & oil pump drive gear over to the LBZ shortblock. The LLY reluctor won't bolt onto the LBZ gear and vice versa. Other than that, it should be bolt & go. Only thing to consider with the LBZ shortblock is the pistons tend to be a bit more prone to cracking than the older ones.