Couple of questions. I think we all know a cast harmonic balancer on a forged crank, (and viseversa) is a no-no, but what about using the later (72-73) 340 connecting rods on a steel crank? According to "the book" these rods are shown for a cast crank, do you get in trouble using them in a steel crank motor? And, woud a cast crank 318 balancer work on a cast crank 340? This is a basic street motor, not race. Thanks in advance for th eknowledge.

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