Interestingly when it comes to alloys no - we haven't moved forwards. The Durango and 1/8ths spec the same alloys used on that Optima all those years ago, and its aircraft spec, so I doubt it will have changed much.
The reason for the change is purely fashion. The Durango is the newest, hottest car out, its got an alloy chassis so alloy is in. If it had a cheese chassis (and didn't suffer for it!) they would be in......
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