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exactly. my C6 (possibly the most inefficient transmission in the world) and 9" rear end on my galaxy probably loses in the 20% range. No way a modern car does. |
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-bobby |
It looks like the admin messed up and put 72rwhp instead of 45rwhp on the camaro5 homepage. Hopefully he/she will fix it.
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Rotational mass(the weight of the wheels) only matters. It's like this. A 20lb 20'' aluminum wheel will produce more HP on the dyno than a 17'' 35lb wheel even though the 20'' is a larger size wheel. More wheel weight= more power used up to turn the wheels. This is the same concept as an aluminum driveshaft freeing up power because of it's lighter than stock weight.
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Can someone explain to me what I am hearing during the tests?
I Can hear the normal engine sound, but there is another sound which to me, reminds me of the VIPER START-UP Sound in the old Battlestar Galactica. Is there a blower or fan of some kind on this car? Could that be what I am hearing? |
everyone please read the threads from post #1 on down. half the comments on this thread are pointless. post #14 and #15 stated
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EDIT: And I type too slow because someone else beat me to it^^^ |
Wait.... Maybe I'm not getting it. On a 426HP car, you are only getting 355RWHP???? Is that correct?:yikes::iono:
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the engine produces 426hp, but you lose some hp getting it to the wheels.
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On a 426 HP car you're getting approximately 362 to the wheels based on the 15% drivetrain loss equation. The fastlane car dynoed lower than 362 because the weather was 85-90 degrees. I say this because dyno was most likely done 2 or so weeks ago, and I live in Houston, and the temps were up there close to 90 at the time.
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wouldn't their building be air conditioned? that drive train loss equation isn't 100% accurate. therefore i believe your 362 result compared to the 355 actual result are correct.
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i would like to know the difference with only the cold air intake.
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