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Fuel economy remains an important factor. But I think if you asked a team (especially a driver) if they would prefer 5% better economy or 5% more power, the answer would be almost unanimous for the power increase.
With so many safety car periods at Bathurst these days, I don't think ultimate economy is the key aim anymore.
The older 18 degree Chev has had 10 years of development on it compared with a couple for the aurora based motor. I think in time fuel economy will improve in the newer motor, but for now, most would be chasing power. Especially HRT. Their recent engine develpoment has not had economy in the top 3 priorities.
I think it seems to be working, with Skaife's car very, very fast in WA. The Creek will show up who's got the neddies though....should be interesting.
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