Not Ranked
A 429 and a 428 are two totally different engines that are not even close. You dont need #'s to identify. A 429, 385 series, which is the same as a 460, is the largest sizewise. A 428, or FE, looks like part of its intake is a part of its head, like 390's and 427's.
Tim
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" It ain't no big deal" 
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