What is more important in terms of acceleration? - Nissan 350Z Forum, Nissan 370Z Tech Forums
View Poll Results: Which engine accelerates faster? (All Other things Equal)
300 Lb/Ft @ 4,000 RPM = 228.48 HP 213 75.53%
150 Lb/Ft @ 8,000 RPM = 228.48 HP 10 3.55%
They perform about the same! 34 12.06%
I don't know. 25 8.87%
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post #1 of 175 (permalink) Old 11-27-2004, 04:36 PM Thread Starter
 
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*Assume that both vehicles are geared to obtain the same top speed*
Yes there is a correct answer! Please answer and discuss your position; this is always a fun topic.
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post #2 of 175 (permalink) Old 11-27-2004, 05:15 PM
 
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Whats the Vehicles weight?
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post #3 of 175 (permalink) Old 11-27-2004, 05:26 PM Thread Starter
 
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Quote:
Originally posted by Daking350Z@Nov 27 2004, 04:15 PM
[b] Whats the Vehicles weight?
All Other Things Equal....yes including weight!
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post #4 of 175 (permalink) Old 11-27-2004, 06:49 PM
 
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I don't think you can answer it form a peak torque number. What rate does the torque rise at? The second engine could be making 299 HP at 8000 rpm, which would mean it's making almost double the hp of the first one....
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post #5 of 175 (permalink) Old 11-27-2004, 08:02 PM
 
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This one is simple. Torque creates acceleration. Period. If you're going for a high topspeed then HP is the thing you need, but torque is what makes you feel acceleration.

Horse Power sells cars...

Torque wins races.
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post #6 of 175 (permalink) Old 11-27-2004, 09:17 PM
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more torque quicker start, quicker to the end speed

Most people will listen to your unreasonable demands, if you'll consider their unacceptable offer.

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post #7 of 175 (permalink) Old 11-27-2004, 10:58 PM Thread Starter
 
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Quote:
Originally posted by Dissident@Nov 27 2004, 05:49 PM
[b] I don't think you can answer it form a peak torque number.* What rate does the torque rise at?* The second engine could be making 299 HP at 8000 rpm, which would mean it's making almost double the hp of the first one....
It doesn't matter, the illustration is the same. I'll chime in with my opinion once there are more votes.
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post #8 of 175 (permalink) Old 11-28-2004, 12:03 AM Thread Starter
 
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56 views and only 5 votes?
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post #9 of 175 (permalink) Old 11-28-2004, 02:58 AM
 
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The way i've always thought of it, is torque gets you to where you can use the horsepower you have.
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post #10 of 175 (permalink) Old 11-28-2004, 08:02 AM
 
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I know there is some trick to this but I was always schooled that hp is a byproduct of tourqe..So I go with the more TQ engine providing their TQ curves are similar..
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