98 K1500, stroke my current 350 or put in my LS1

I recently bought a 1998 k1500 the motor has a small knock so I pulled it and plan to rebuild. I also have a 2003 lq4 with about 3 grand worth of work supposedly pushing 500 hp(not sure about that, motor has never been ran) using this truck for town and the occasional drunk Saturday dirt road kinda night. Should I stroke my current 350 to a 383 with a big bore and factory heads or throw the lq4 in. Trying to get by with the least amount of work. I am an experienced rebuilder so that isn't a problem, please give info or links on how hard it would be to throw the lq4 in. Thanks

i would swap in the lq4, we can build you a stand alone harness for it also, your gauges and ac will still work with some wiring mods