This link was sent to me by a friend. I don't know if it has been posted here or not. It shows what a 1994 turbo miata with 140K miles in the hands of a great driver can do.
The video really shows the advantages a 2000 pound car like the miata has over these relatively heavy GT cars when it come to corners, most of them look like heavy pigs by comparison, plus it has a power to weight ratio of 8:1, so it keeps up and even passes nicely in the straights as well.
The only car that gives him any trouble is a fully raced-out Porsche with a huge wing that probably cost more than the entire miata. It still can't leave him behind.
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Pat