Considering LS Swap in 72 k10 4x4?

[SuperCtruck]

I'm Trying to figure out which would be the better move to swap in my 1972 Chevy short bed 4 x 4...2001-2009 5.3, 6.0, 6.2? I hear a ton of good things about the 5.3 being that its a aluminum block And you can get good power out of it. But I also figure the 6.0 will be just fine stock and cast block? I also want to go to NV4500 5 speed in this conversion! This truck will mainly be used for show and go and light pulling ( 2 atvs) while headed elk hunting, camping etc....

Any suggestions, pictures or tips what I should consider before making this move brackets, fabrication or bolt on parts etc....and will the nv4500 bolt right up to early LS? Or am i better off fuel injecting in the old 350? Thanks
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