In case you are actually after a serious reply, it would be easy to do. Just get a GM 14 bolt rear axle-$100 or so at the local auto salvage with drw(dual rear wheel) hubs. You will have to mess around with spring perches, three link mounts, shock mounts, swaybar, gear ratio, driveline adaptor, and either convert to 8 bolt rear wheels or find a 6 bolt version(rarer); also plan on having to convert the brakes from drums to discs and losing your ABS and disabling your TOD. While you're at it, you might as well SAS the front too.
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