engine swap

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Apr 28, 2021 | 1:03 PM

dhspot1

Thread Starter

CF Beginner

Joined: Apr 2021

Posts: 1

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engine swap

will a 2003 4.2 out of a 4x2 trlblazer fit in a 2005 4x4, i have a "A" motor the motor i am looking at is a "B" any help is greatly appreciated
thanks dhspot1

Apr 28, 2021 | 4:07 PM

oilcanhenry

CF Monarch

Joined: Oct 2017

Posts: 4,605

Likes: 268

From: USA

Quote:

Originally Posted by dhspot1

will a 2003 4.2 out of a 4x2 trlblazer fit in a 2005 4x4, i have a "A" motor the motor i am looking at is a "B" any help is greatly appreciated
thanks dhspot1

Should work no issues.

Apr 29, 2021 | 7:05 PM

flyboy2610

CF Junior Member

Joined: Mar 2019

Posts: 61

Likes: 7

From: Lincoln, Ne.

The first thing that comes to mind is the fuel pressure regulator. On the '03 it is on the left front of the engine, and I THINK it became part of the fuel pump assembly in '05. I know that in '04 it was still on the engine, and on my wife's '06 it is part of the fuel pump assembly. I'm not sure when it got moved, though.