2000 4.3w into 2003 4.3x

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Jan 31, 2023 | 04:21 PM

styles997

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2000 4.3w into 2003 4.3x

I have a 2003 4.3x with a bad engine, what would I need to do to swap it with a 2000 4.3w

Jan 31, 2023 | 08:21 PM

LesMyer

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From: North Central Indiana

Swap intake and exhaust manifolds and figure out a way to mount the different knock sensor. Other than that, it will work.

Jan 31, 2023 | 09:20 PM

styles997

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Joined: Jan 2023

Posts: 3

Quote:

Originally Posted by LesMyer

Swap intake and exhaust manifolds and figure out a way to mount the different knock sensor. Other than that, it will work.

What about ecm and wiring harness?

Feb 1, 2023 | 01:37 PM

LesMyer

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Joined: Oct 2014

Posts: 4,341

From: North Central Indiana

Quote:

Originally Posted by styles997

What about ecm and wiring harness?

Use all original PCM and wiring from the 2003. If ANYTHING is different then switch over and use parts from the 2003.

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