got to put a crankshaft in my 93 gt, i have a 79 302 engine in it and want to put a 50oz crank in from newer model 5.0 due to have all 50oz flywheel and balancer , will any crankshaft fit ,,my crank i am removing is a 28oz with 2 piece rear main, noticed 50 oz has 1 piece ,, any suggestions??