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I just ran some 'stuff it I'll guess until I get the right economy' numbers in our charts. If I work with a drag co-efficient of .32 and put in vehicle weight of 1008kg (factory kerb weight) it pumps out 5.8l/100km at 105kph and 10.02 @ 145. Total hp required at 145 is 36hp.
Dropping drag to .288 (10% reduction) gives me 5.33l/100 @ 105, 9.14 @ 145 and hp at 145 as 32.9.
If I were to market it as a 'performance increase' that gives me a 3hp gain at 145kh. Or from 57hp remaining to 60. A gain of 5% at that speed, which would not be enough to feel.
Trying to market it as a performance increase would require a reduction in drag of 20%. That would bring road hp at 145kph down to 29.7 for a 6hp gain. But dropping drag by 20% is no mean feat with ad-ons that don't aesthetically alter the car dramatically.
Anyway I'm going to run those numbers again when I get home and have a chance to hunt down the cars actual aero data
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Originally Posted by Crazyrabbit
In God we trust. All others: bring data
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