5.3 LS Engine Swap to a 6.0?

I have a 06 GMC Sierra 5.3 v8, I’m trying to swap it to a 6.0 but I want to know if there’s a big difference, does it take more work, is it more expensive or is it the same thing as installing a 5.3. I’m not going to do it my self, a shop is going to do it for me but doesn’t hurt to ask.

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  • 2 months ago

    yes more work and more expensive

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  • Anonymous
    2 months ago

    Yes, there's a big difference. The ECU is calibrated for the 5.3, putting the 6.0 will screw everything up. Swapping an engine is not the easy job it used to be in the 70's.

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