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Does RPM matter?

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Old 01-12-2012, 11:22 PM
  #1  
ihavefat
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Default Does RPM matter?

This is another newbie shifting question. I've always thought there was a specific RPM to shift, but a friend of mine told me I don't really need to look. I just have to listen. Also learning to skip shifts has confused me as well.

So my question is, does it matter which RPM I shift? I'm not really talking about DD here. I usually shift either 2k or 3k depending on the situation. But now I'm talking about stepping on the gas. I know if you are going to WOT, you would shift right at 7k, but what if I shifted at 5k rpm? I tried it at 4k, 5k, and even 6k. I can't really tell the difference. Am I hurting the engine by shifting at any rpm I want to?
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Old 01-13-2012, 12:44 AM
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JCON
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If you're going for acceleration, I would shift when torque drops off. That point will change as you modify the car. A dyno graph or just feeling the car out will let you know when you've reached your peak torque. Using up the rpms after your peak in most cases will be a slower way to reach a higher speed.

In my opinion, torque gets you there, horsepower keeps you there. (down low-mid range speed)

If you downshift too far (which shouldn't happen in a 6 speed) you can damage the engine but I have never heard of anyone hurting anything by going a gear to high.

take note of gear, rpm, and speed and learn all three together to know when and where to shift. too much of a difference in rpms when shifting could be tough on the car.

Smoother shifting is easier on the car of course.

Last edited by JCON; 01-13-2012 at 12:47 AM.
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