Chevy Express 3500 4.8l to 6.0

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January 29th, 2022, 2:25 PM

shawner73

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Chevy Express 3500 4.8l to 6.0

I’m curious if a Chevy Express 4.8l is able to swap for a 6.0l? Are they compatible?

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January 31st, 2022, 11:05 AM

ray caldwell

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Buy a wrecked one with engine and 4l80 trans to match

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February 1st, 2022, 3:21 AM

William Kisselstein

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I believe this should be a bolt-in swap, but you may need the ECU to make it run right.

As to the trans swap, that could be an issue if the plug is different, it would require changing both the ECU and the harness to the transmission, if that is a separate part and can be changed.