84 crew cab on 2006 chassis?

[TwoSmoke]

I have an 1984 crew cab that currently looks like this.....

I have a chance to to buy a 2006 crew cab long bed with a 6.0, 4x4 with 50k on the clock that was a roll over. The body on the 2006 is smoked but the frame looks to be ok. Soooo my question is.... How nasty will it be to fit my 84 body on the 2006 chassis? Keep in mind I have a full welding and machine shop at my disposal so weird or unusual parts are not that difficult to make.
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