Originally Posted by dubalicious
Why is the Cooper with the LSD allowed to compete in stock class? I know with Miata's only the inferior Vicious type LSD are allowed in ES, the Torsen type throws you out of stock, even if it came stock.
That is an inaccurate statement. OE LSDs are legal in stock class. There are certainly cars on the stock exclusion list (e.g. Cobra R) but that is due to limited production numbers, not equipment. Torsens, if OE, are perfectly legal.