Not Ranked
There are some subtle and important differences in the 302 vs the 289 block. I give the "nod" to the 302 being a "better block". One notable difference is the depth\length of the bore. On the 302 it extends deeper down in the block. This addressed a kind of "piston slap" problem the 289's had at high rpm. There are other "mods" as well.
Ernie
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