I need schooling - old vs. new engines

KosmicKuda said

Advantage #16. A Stock G3 Hemi weighs approx 70 lbs less than a comparable stock small block. (not personally verified)

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I've heard they are lighter, too, but my gut says that is false. Block sure seems to have to weight more with the full skirts and enclosed cam tunnel. But I don't have anything to refute the claim either.