Does RPM matter?
#1
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?
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?
#2
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.
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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