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Manually shifting an A4

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Old Dec 26, 2001 | 01:06 PM
  #1  
Pro Stock John's Avatar
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Default Re: Manually shifting an A4

The lag can be huge.

Make sure the rev limiter is where you need it.

I have had mixed success manually shifting my car.

You can manually upshift a 4L60E and wind out a shift point, but IMO you can't really shortshift
consistently.

But when I have had shift points that were too low I have manually shifted.

I tried doing that at the track last time and I hit the rev limiter on both shifts unfortunately. So I went 11.15@120.30 with it shifting on it's own and then 11.25@120.99 hitting the rev on 1-2 and 2-3 so clearly higher shift points will help my car run 10's.
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Old Dec 26, 2001 | 01:34 PM
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Default Re: Manually shifting an A4

I was thinking of putting in a shift lite and then setting that to help me with the lag.

I am shifting to 2nd around 6400rpm and 3rd around 6600rpm. I have a 7000rpm rev limiter, so I'd like to try shifting around 6800-6900rpm for both shifts to see what happens. So if I always move the shifter at 5000rpm will the car always shift at say 6200rpm?
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Old Dec 26, 2001 | 02:25 PM
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Default Re: Manually shifting an A4

You'll have to experiment, I always tried to have the shiftlite/tach come on at least 200 rpms before I actually wanted to shift.
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Old Dec 26, 2001 | 04:54 PM
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Default Re: Manually shifting an A4

Been there, try that, moved on <img src="gr_grin.gif" border="0">

I've never been able to get a better pass by shifting it myself, normally it hits the limiter.. no matter how fast you upshift it.
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Old Dec 26, 2001 | 05:50 PM
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Default Re: Manually shifting an A4

I never maully shift my A4. The computer can do it a lot better than you can. Plus manually shifting a A4 is not good on the tranny.
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Old Dec 26, 2001 | 06:58 PM
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Default Re: Manually shifting an A4

Quit being so cheap Terry. <img src="gr_grin.gif" border="0"> YOu can buy and resell a HPP for the same price.
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Old Dec 27, 2001 | 12:47 AM
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Default Manually shifting an A4

I want to try out some different shift points at the track, but I am too cheap to buy a HPP. What is the lag time between when you shift an A4 and when the tranny actually shifts? Is it consistent? Also does manually shifting have any impact on the TM?
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Old Dec 27, 2001 | 07:37 AM
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Default Re: Manually shifting an A4

Just do yourself a favor and buy the PP3. I mean look at all the money you've alraedy put into the car. You can get a used one for a couple hundred dollars. Worth it IMO.
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