Originally Posted by Autech 
Nissan did not win on a 4cw crank. It was an 8cw crank cross drilled an weighted. The sumps were dry and vacuum fed. There was no windage in that sump. In fact i even remeber the blocks being machined out to accpet the massive counterweights they had on the cranks. I even think it was possible they ran a shorter stroke crank. From my memory the counterwieghts were almost semi cricles, literaally. Probably about 130 degrees worth.
as was pointed out to me yesterday they ran 82mm cranks from a UK company in the BTCC. I had forgotten that but at one point i had the name of the company in a PM years ago.
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