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68-69 383 optional 426 and 440-6 in 69.5, 70 383, 440, 426, 440-6, 71 not sure and at some point 340 and 400 was available and later even the lowly 318-2, didn't think 318 was available for 71 but had to ask. When was the 340 available?

You could get a 440 4bbl in a 70 RR ? I have never seen one.