Blazer Forum - Chevy Blazer Forums - 4.3 x to w motor swap

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seth677

10-23-2017 04:04 PM

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?

LesMyer

10-26-2017 08:58 AM

Quote:

Originally Posted by seth677 (Post 681594)

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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