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    5.3L replace & refresh / upgrade

    I have an 04 4x4 z71 5.3 with 160K on it that is in need of some head work. As luck would have it, I've acquired another motor with 60K on it that I"m planning to swap into the truck. The new motor does need a cam so I'll be doing a bit of updating to the motor before it goes in the truck...
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