Auto-X / Roadrace rear suspension 1969 Valiant

After guesstimating my weight savings over the Purple Valiant I plugged the weights into a calculator. Weight savings would be aluminum heads, race weight fiberglass hood, fiberglass front bumper, manual steering gear. Added nominal weight for j-bars and an Accusump on the passenger side J-bar. For the rear I would reposition the battery from the rear-right to achieve better balance.
The Purple Valiant's corner weights were: LF - 888 lbs , RF - 870 lbs. , LR - 771 , RR - 721.



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All this would be assuming no weight changes to the rear but I am leaning toward the DSE X-Gen so there will be a difference in the rear.