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Question about c5 6speed shifting terms

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Old Dec 13, 2006 | 04:53 AM
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Default Question about c5 6speed shifting terms

What does a power shift mean and how is that done. ?
Speed shifting How?
Whats the best way to shift a 6 speed when racing.
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Old Dec 13, 2006 | 05:06 AM
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I've had 6 manual cars 4 stangs, 1 98 T/A ram-air and 1 02 SS. Basically power shifting is shifting once the needle is near red-line with out letting go of the gas at all. Quick shifting is pretty much shifting quickly. I've been told I'm an good manal driver and have won most of my races by quick shifting, other than 2 that were powershifter from 1st to 2nd and from 2nd to 3rd. I've concluded that power shifting doesn't really drop your e/t and is not worth a $4,000 transmission and a hole in your wallet.
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Old Dec 13, 2006 | 03:04 PM
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Originally Posted by QuickSilverLS1C5
I've had 6 manual cars 4 stangs, 1 98 T/A ram-air and 1 02 SS. Basically power shifting is shifting once the needle is near red-line with out letting go of the gas at all. Quick shifting is pretty much shifting quickly. I've been told I'm an good manal driver and have won most of my races by quick shifting, other than 2 that were powershifter from 1st to 2nd and from 2nd to 3rd. I've concluded that power shifting doesn't really drop your e/t and is not worth a $4,000 transmission and a hole in your wallet.

Though it might decrease your times, it WILL increase your parts consumption.
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Old Dec 13, 2006 | 03:39 PM
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everyone has a different definition, but i perseve power shifting as shifting while the gas it still down. and speed shifting is shifting as fast as possible...my speciality
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Old Dec 13, 2006 | 03:42 PM
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If you are road racing you do not jam the lever from one gear to another. You move it deliberately but not forcefully. I prefer to use my fist on top of the **** with my fingers wrapped under it and then use my fingers or the heel of my hand to make the shift.
Bill
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Old Dec 13, 2006 | 03:47 PM
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I thought speed shifting referred to shifting without the clutch at the correct rev-matched engine speed.
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Old Dec 13, 2006 | 03:55 PM
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Originally Posted by Casem1
I thought speed shifting referred to shifting without the clutch at the correct rev-matched engine speed.
That is the common usage of the term, AFAIK. Even if you're proficient at it, though, I've been told by tranny guys that it's not a good idea for longevity of the synchros. I don't think there is a specific term for just "shifting fast."
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Old Dec 13, 2006 | 04:03 PM
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Originally Posted by Casem1
I thought speed shifting referred to shifting without the clutch at the correct rev-matched engine speed.
I have never thought of this as speed shifting. It is a very slow way to shift since you need to let up on the gas to relieve pressure on the drive train and slowly move the lever from one gear to another. It takes much longer than a normal driving down the road type of shift.
Bill
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Old Dec 13, 2006 | 04:49 PM
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Originally Posted by Bill Dearborn
I have never thought of this as speed shifting. It is a very slow way to shift since you need to let up on the gas to relieve pressure on the drive train and slowly move the lever from one gear to another. It takes much longer than a normal driving down the road type of shift.
Bill
I agree that it's not a fast way to shift. I believe the term refers to the fact that you are matching speeds (RPM) of the engine and driveline. I learned the term and action driving semi tractors in a former life, where you have no synchros and only use the clutch to take off.
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Old Dec 13, 2006 | 04:52 PM
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I was under the impression that for racing purposes "Flat Shifting" (leaving the gas pedal on the floor=flatout,evenwhile shifting, was although abusive when it goes wrong, the best ET. Lifting (gas) between shifts was called "Granny Shifting" Or am I "Old?"

Last edited by Ol'55; Dec 13, 2006 at 08:20 PM.
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Old Dec 13, 2006 | 07:32 PM
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Originally Posted by Casem1
I thought speed shifting referred to shifting without the clutch at the correct rev-matched engine speed.
I'll throw another wrinkle into the thread. Isn't Rev-matched-shifting done by pushing the clutch in, shifting to a lower gear, reving up to at least 3k, letting clutch out without upsetting the balance of the car.
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Old Dec 13, 2006 | 07:56 PM
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Here's another definition..............
I've always equated power shifting with going 1-2, 2-3, etc, without using the clutch, just with a slight throttle lift to get it out of the lower gear and immediately back in the throttle.
Speed shifting was stomping the clutch and not lifting the throttle. Gotta be good though.

This was a long time ago when I was a teenager.
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