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What I would like to do is try that 2.8L baby Duramax, a simple tune will get you over 230HP to the wheels, a small investment should yield 300 easy, all anyone really needs, smaller, lighter what is not to love, sorta like the almost impossible to find 4BT/turbo only I think the 2.8L has a...

I did an LMM, that would be mid 07-10, The LB7 is earlier I do not think it has a VGT which is a big upgrade. bottom line they are all basically the same only some more work and more deletes are needed for the later years, physically they are all pretty much identical. But the biggest thing...