Adding to this, back in the fifities, the Cooper JAP had a significant power to Weight advantage over what was competing with conventional engines. Nowadays, because of the huge changes in different technologies, the ball game is completely different
So, my answer is no - Unless the rules change (Safety?)
As far as Gould's are concerned - Paul is probably more familiar with what they have done but from 1st impressions, will someone spend the money to develop a more aero-efficient or lighter XB powered car?
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