I'm also curious, but about the 240. And, if I may ask, what is the driver's weight with that ballast?
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In the 240SX the driver weighs 170 and we have about 50 or so lbs of ballast, in the RX-7 I cannot remember how much we added but it was more than 20, if I remember it was somewhere around 50lbs.

Jude has a real knack for building light cars and prides himself on it. Our AS Camaro that we built last year was siginificantly under weight.