Ive got a good running 400 out of a 76 newport that im wanting to put in a dart.i want to tear it down and put new rod & main bearings in it along with new gaskets,oil pump,timing chain,small cam and put on a set of closed chamber 915 heads and hope for 10-1 comp.should i use the 400 crank or should i use a 383 steel crank????