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Old 03-08-2012, 07:58 AM   #1
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Horsepower, tourque

I was looking at my mustang"s specs and it said
Torque: 280 @4250 rpm
Horsepower: 305 @ 6500 rpm
What does it mean by the @rpm? What car would accelerate faster one with a higher or lower rpm.
For ex the Camaro has
Torque:273@4800rpm
Horsepower: 323 @ 6800
Wat would be faster?

Thanks
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Old 03-08-2012, 08:49 AM   #2
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That was the point/rpm at which you built the most torque and horsepower....before or after that rpm it was lower....they just show you when you built the most power
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Old 03-08-2012, 09:15 AM   #3
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Quote:
Originally Posted by Mustang240
I was looking at my mustang"s specs and it said
Torque: 280 @4250 rpm
Horsepower: 305 @ 6500 rpm
What does it mean by the @rpm? What car would accelerate faster one with a higher or lower rpm.
For ex the Camaro has
Torque:273@4800rpm
Horsepower: 323 @ 6800
Wat would be faster?

Thanks
A car does not always make a certain amount of hp it tq, that rpm is the point in which it makes the stated amount of tq/hp and is usually the peak.

My understanding of tq vs hp is that tq is what helps you take off faster and gives you that feeling of the seat sucking you in. Hp on the other hand is what helps the car maintain speed once it has gotten up to speed.

Feel free to correct me if I'm wrong!! I have asked a few times in the past and this seems to be the general consensus, as well as the best way I know to explain it.
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Old 03-08-2012, 09:19 AM   #4
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Quote:
Originally Posted by GrabberBlue5.0

A car does not always make a certain amount of hp it tq, that rpm is the point in which it makes the stated amount of tq/hp and is usually the peak.

My understanding of tq vs hp is that tq is what helps you take off faster and gives you that feeling of the seat sucking you in. Hp on the other hand is what helps the car maintain speed once it has gotten up to speed.

Feel free to correct me if I'm wrong!! I have asked a few times in the past and this seems to be the general consensus, as well as the best way I know to explain it.
Ya that's wat torque and horsepower are. But if I understood correctly the lower the Rpm states the faster the acceleration would be right?
So would my Pontiac with 220 torque and 210 hp at 4000rpm be faster than my mustang at accelerating? But I do feel the mustang much more powerful than the Pontiac
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Old 03-08-2012, 09:21 AM   #5
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Quote:
Originally Posted by Mustang240

Ya that's wat torque and horsepower are. But if I understood correctly the lower the Rpm states the faster the acceleration would be right?
So would my Pontiac with 220 torque and 210 hp at 4000rpm be faster than my mustang at accelerating? But I do feel the mustang much more powerful than the Pontiac
Yea kinda, you would want more tq at lower rpms to take off faster and the hp in the higher end to keep the car accelerating.
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Old 03-08-2012, 09:32 AM   #6
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Re: Horsepower, tourque

Quote:
Originally Posted by Mustang240 View Post
I was looking at my mustang"s specs and it said
Torque: 280 @4250 rpm
Horsepower: 305 @ 6500 rpm
What does it mean by the @rpm? What car would accelerate faster one with a higher or lower rpm.
For ex the Camaro has
Torque:273@4800rpm
Horsepower: 323 @ 6800
Wat would be faster?

Thanks
Car vs. Car - You can't really tell much from those numbers unless both cars were the same weight, same setup, ie. tranny, gears, suspension, etc. Also those numbers are rated at the crankshaft. The real number is when it's measured at the rear wheels, that's where all the components are factored in.

HP vs. Torque - They work hand in hand, but HP gets the car up to speed and maintain. Torque is the key. Think of a cheap ceiling fan. It can turn pretty fast, but you can stop it fairly easily with your hand and prevent it from turning - Low Torque. As the motor has more torque you can't stop it or slow it much. In your car, more torque means it gets HP to the ground and launches your car or gives you a great passing burst. When you're doing 70 and punch it to pass, torque gives you the acceleration.
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