2007-09 GMC Sierra 3500 6.0/4L80
01-07-2016, 01:39 AM
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2007-09 GMC Sierra 3500 6.0/4L80 I recently purchased a low-mile 6.0 engine/trans out of a '07-09 GMC Sierra 3500 truck. My initial thoughts were that it's an LY6 but after seeing the 317 heads I'm assuming it's an LQ4. Could it possibly be an LQ9? Thanks
