4 Wheel Drive/SUVs: engine swap, advance adapters inc, chevy silverado

Question
I have a 4.8 in my 2000 chevy silverado and i want to swap it for a 5.3 or 6.0.  How hard would that be and what would i have to change?

Answer
Phillip,

I would suggest that you contact one of the companies that specializes in adapters and are familiar with swaps of this kind.

The first one that you should contact would be Advance Adapters.

Advance Adapters, Inc.
P.O. Box 247
4320 Aerotech Center Way
Paso Robles, CA  93446-0247
1(800)350-2223
http://www.advanceadapters.com

Carl