The mysteries behind engine balancing?
Dibbons,
Back-in-the-Day,
Chrysler Racing stated that 'Balancing' of the Internal Components on a 273/235 HP
were
'not' required.
Of course, over time that 'statement' {or recommendation} has been blown apart.
For complete understanding of 'Crankshaft Balancing', here is a great site to visit.
http://www.google.com/url?sa=t&rct=...wGJkiEzp0Ow2N4YyQ&sig2=ug_FjLrwAy0mQf-b5wCV-Q