4.3 x to w motor swap

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10-23-2017, 04:04 PM

seth677

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Join Date: Jun 2009

Location: Colorado

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4.3 x to w motor swap

I blew the engine in my 2003 blazer it’s is a vin x what would I need to do to swap it with a vin w engine?

10-26-2017, 08:58 AM

LesMyer

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Location: North Central Indiana

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Quote:

Originally Posted by seth677

I blew the engine in my 2003 blazer it’s is a vin x what would I need to do to swap it with a vin w engine?

Change intake manifolds (2003 has no EGR). If vin W is 1996-2000, you will also need to deal with mounting of different knock sensor that is on your 2003. Otherwise the 2001-2002 vin W has the the same knock sensor.

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