Whats your thoughts on the transmission? After switching to a close ratio 6sp dog box, I'd never go back to a normal manual 5 speed or less transmission. The car is so much quicker flat shifting under boost without having to respool the turbo every shift like on OEM synchro'd boxes..Landing back right into the power band really makes the car faster. I went from keeping pace with modded turbo porsches to blowing right by them.
I suppose in drag racing minimizing your shifting reduces Et.