All turbos discussed so far will need to be clocked to fit your current non intercooled setup. No problem, easy to clock.
Ok i learned something!
351CW is a late 5.9 turbo(has a wastegate) 351VE is the the 6.7 turbo(no wastegate) the 6.7 also has this huge flat spot on the exh housing. Holset Turbo HE351VE Cummins Diesel | eBay