Excalibur Series IV Roadster

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Review

Production and costs started removing with the Sequence III, which arrived in 1975 (Excalibur hasn't followed rigid design years). This is essentially the Sequence II style changed for tightening security/emissions guidelines, but less as to endanger styling or roadability that were, right now, Excalibur hallmarks. The chief mechanical change was changing to Chevy's bigblock 454 V-8, that could be emissions-tuned with less loss in power and torque compared to the smallblock 350. And costs would go…