Which X ram, aluminum, magnesium, or the Mopar ???

My Barracuda has a stock Mopar X-Ram because I found a deal on a complete set of Holley's with linkage,filters, lines, etc. As an FYI, that set up weighs 82 pounds

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My Dart has a Mopar bottom with a FHO CNC top. No real choice involved, it came with the car.
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