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Originally Posted by Audi Racer
If audi and puegeot built petrols theyd still have the 100hp advantage. that judd is an old engine
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Please explain how manufacturer resources will buy you a 20% increase in power output. Direct injection is only good for an increase in power of 5% (and a reduction in fuel consumption) and there is only so much you can do with friction loss reduction, etc.
Just to remind you. In 2008 the Porsche MR6 engine produced 478 bhp with manifold fuel injection and 503 bhp with direct fuel injection. With the slighty bigger restrictor of LMP1 2011 (43.3 vs 42.9 mm), the Porsche would officially produce 512 bhp.
In comparison HPD claims
500+ bhp, Toyota
500+ bhp and Judd
540 bhp for their current LMP1 engine.
Manufacturers have the tendence to underqoute their numbers, but those numbers are nowhere near the 640+ bhp that the diesel engines supposedly produce.
Quote:
Originally Posted by Audi Racer
Rebellion havent shown their hand yet. their trying to earn all the regulation breaks they can first. Aston doesnt count.
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Bart Hayden of Rebellion was also very vocal that the diesel/petrol equivalance is completely wrong:
Quote:
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owever, this test day at Le Mans has highlighted a fact that we feared, the current 2011 regulations have not effectively addressed the equivalence between diesel and petrol engines. We could understand a 4-5 second gap which would be in line with the ACO’s intention of an acceptable 2% difference, but 10 seconds is way off the mark. We hope that the ACO will look seriously at this situation in the next few weeks.
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