Not Ranked
The car titled as a 65 will have no proof of registration before 1989 (or whatever year). this was a loop hole that a few cars got through on, but this hole has since been sewn up.
They will both be as difficult as each other, although WA and NT are the most relaxed as far as ADR rules and interpretation of those rules go.
But neither would be "easy".
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Cruising in 5th

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Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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