E55 engines in Australia

Blue is ok for late in 1971 built engines, orange was the engine color for 340 engines in 1971 in the first months.

Forged crank was standard.

Below the difference:

8813d1399161116-360-engine-balance-img_20140503_164416_585.jpg

Even in 1972 High compression 340 engines were still delivered to foreign countries outside the U.S. - to export.