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Dodge Viper 640 hp to 645 hp - is 5 hp upgrade noticeable?

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Old 03-20-15, 12:16 AM   #1
Blackraven
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Default Dodge Viper 640 hp to 645 hp - is 5 hp upgrade noticeable?

As we all know, Chrysler Group increased the HP rating of the Dodge Viper from 640 hp to 645 hp for the latest model year.

Thing is: Can people even tell the difference between 640 hp and 645 hp?
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Old 03-20-15, 12:43 AM   #2
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Not at all. Even 5whp
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Old 03-20-15, 12:43 AM   #3
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yes of course it can be felt. its not just by adding "5hp". im sure they changed up a few things and the final output ended up being being 5hp over last model.
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Old 03-20-15, 01:45 AM   #4
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my butt tingles 0.8% more
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Old 03-20-15, 06:04 AM   #5
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Nope but its a great PR and legit reason to show up in media.

Viper is truly a car of yesterday, probably the best of its kind today.
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Old 03-20-15, 09:44 AM   #6
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5hp on a large engine like this, no you won't feel a difference. 5hp on something smaller yes.
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Old 03-20-15, 05:42 PM   #7
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Depends on how much the 5 HP figure affects torque. Torque is usually what you feel in acceleration...HP more for overcoming air resistance at higher speeds. Engineers spend a lot of time programming HP/torque curves for how they want the engine to respond at various RPMs.

I also agree with Hoovey that the heavier the vehicle and the larger the engine, the less effect you will be likely to notice.
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Old 03-21-15, 04:50 AM   #8
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You would feel +5 hp on a lawnmower, not on a car though
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