“Max effort daily driver” 318 build vs “Budget” 400 swap

RustyRatRod said

Not exactly. The early ones are better in one aspect, the later ones in another. It's really splittin hairs.

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Thats news to me..how are the later ones better ? I know the early 400B's have thicker main saddle n web castings ??? 440 source says the later 440RB's are better...I'm just going off the info they have tho.. :elmer:for info