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2013 Red z By SI Mall Can someone explain to me why is there such a difference between the Advertised HP and what the dyno test show it to be.

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Old 06-27-2013, 11:17 PM   #1 (permalink)
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2013 Red z By SI Mall

Can someone explain to me why is there such a difference between the Advertised HP and what the dyno test show it to be.
Last edited by Maduro; 06-30-2013 at 01:42 AM.
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Old 07-01-2013, 01:29 PM   #2 (permalink)
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Saw a orange metallic Z downtown mtown a hour back
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Old 08-16-2013, 09:18 PM   #3 (permalink)
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Spotted: Silver/Grey/Platinum/Graphite Roadster / Top Down
3600 Block of Derry St. in Paxtang (Harrisburg, PA)
10:50AM today
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Old 08-19-2013, 08:14 AM   #4 (permalink)
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Old 08-19-2013, 11:35 AM   #5 (permalink)
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Z @ the gas station blue 2013. I asked u if you know what u r doing with your car.
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Old 08-24-2013, 04:11 PM   #6 (permalink)
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Spotted: Black One, Base Package
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Parked at Derry Tire & Auto at Derry St/40th St
About 5:00PM
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Old 08-25-2013, 03:50 PM   #7 (permalink)
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Z @ the Meriden Mall earlier today @ 11 am. Grey metallic.
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Old 07-08-2013, 12:06 PM   #8 (permalink)
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Quote:
Originally Posted by Maduro View Post
2013 Red z By SI Mall

Can someone explain to me why is there such a difference between the Advertised HP and what the dyno test show it to be.
Hey,

Advertised HP is measured at the crank. It does not account for the parasitic loss that occurs in the drivetrain during power delivery.

Dyno test measures the power at the wheels. As a result the loss has already occurred, which is why the numbers are lower than advertised.
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Old 07-08-2013, 12:48 PM   #9 (permalink)
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Quote:
Originally Posted by AyandehRacing View Post
Hey,

Advertised HP is measured at the crank. It does not account for the parasitic loss that occurs in the drivetrain during power delivery.

Dyno test measures the power at the wheels. As a result the loss has already occurred, which is why the numbers are lower than advertised.
Only few car manufacturers advertise their hp at the wheels, like BMW.
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