Get your parents to pay for a Skip Barber driving course or equivalent. Those skills will help you be a better (sports car) driver. The other posts above about cover it.
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Ordered this: http://www.srpracing.com/pd-brz-fr-s-gt-86-gas-pedal-only.cfm
and for those of you uncertain about Heel/Toe, see this, which I wrote 5 years ago: http://www.r-series.org/footwork.pdf
I was pretty happy with the brake-to-accelerator spacing last year with street shoes but in the fall and now since getting it out this spring I find it sucks when uses with proper racing shoes or...