[countrylady]

Hey there,
So long story short I have a 2003 5.7 that I'm doing a swap with this coming weekend. The engine I have to swap is a 2008 5.7. is there anything I need to pull of the 2003 to ensure this goes as smoothly as possible? Any tips?

 

[mizewilliamc]

If you are putting a hemi that has no mds then it’s not going to be a simple plug and play swap, I’m not sure and I’m sure someone else can go into specifics but the wiring and the pcm is going to be different for sure though


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[HemiLonestar]

Is this going to be a simple stock drop in? No attempt at performance modifications (not that you'd be able to do much with a 2003 anyway)? Is the 2008 engine from a 1500 or 25/3500?