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V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Driveshafts | Differentials | Gears | Rearends | Clutch | Shifters

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Old 07-25-2009, 06:02 PM   #1
scrming
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Sport vs Tapshift

Went to the track today... I made a couple of back to back passes, one in Sport and one shifting manual. First the slips:



Almost identical! (for some reason the track has trouble with my trap speed... LOL)

The Sport slip is on the left and the manual is on the right.

Here are the data logs. First the Sport mode:




Now the manual:




So the sport mode:

1->2 .325
2->3 .275

and manually shifting:

1->2 .350
2->3 .225

so there in this very unscientific test there is a very slight advantage to using the tap shifter....
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Old 07-26-2009, 01:26 AM   #2
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its great to see that the sport mode is so good, and that the tap shift is also very good
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Old 07-28-2009, 07:45 PM   #3
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so glad all autos come with tap shift.
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Old 07-28-2009, 07:50 PM   #4
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This looks promising..
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Old 07-28-2009, 07:58 PM   #5
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Quote:
Originally Posted by Ject View Post
This looks promising..
Yep... and look at the torque management system pulling ALL the timing on the shifts! Timing goes to -8 degrees! LOL

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Old 08-10-2009, 02:42 PM   #6
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Was driving with my brother yesterday. I have the L99 A6. I noticed that in Sport mode that when you stop like at a stop sign or in the middle of the road, the car does not go into 1st gear, it will go into 2nd and that's where you take off from. You have to manually shift down into 1st while stopped.

Basically we were doing burnouts (yes I'm 34) and couldn't get the car to do them in drive or sport even with TC off. Hold down brake, hit gas, and let off brake while gas is floored. If you shift down into 1st you can leave a nice long dual rubber track into 3rd gear before the car catches. Lotta smoke, good stuff. Won't do jack in 2nd gear as I found out.

Anyone else notice Sport not starting from 1st gear and is there a reason besides preventing me from ruining my tires?

I was also researching online and noticed a lot of gear differences between the transmissions. I don't know what it means, I'm assuming the bigger the number the more torque?

Transmissions
Hydra-Matic 6l50 six-speed automatic (LS, LT) w/ TAPshift
Gear ratios (:1):
First: 4.07
Second: 2.37
Third: 1.55
Fourth: 1.16
Fifth: 0.85
Sixth: 0.67
Reverse: 3.06
Final drive ratio: 3.27

Hydra-Matic 6l80 six-speed automatic (SS) w/ TAPshift
Gear ratios (:1):
First: 4.03
Second: 2.36
Third: 1.53
Fourth: 1.15
Fifth: 0.85
Sixth: 0.67
Reverse: 3.06
Final drive ratio: 3.27

Aisin Warner AY6 six-speed manual (LS, LT)
Gear ratios (:1):
First: 4.48
Second: 2.58
Third: 1.63
Fourth: 1.19
Fifth: 1.00
Sixth: 0.75
Reverse: 3.67
Final drive ratio: 3.27

TR6060 six-speed manual (SS)
Gear ratios (:1):
First: 3.01
Second: 2.07
Third: 1.43
Fourth: 1.00
Fifth: 0.84
Sixth: 0.57
Reverse: 3.28
Final drive ratio: 3.45
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Old 08-10-2009, 02:47 PM   #7
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My tapshift is faster than your tapshift..Wanna race..?
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Old 08-10-2009, 05:26 PM   #8
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Quote:
Originally Posted by NEO_ITguy View Post
Was driving with my brother yesterday. I have the L99 A6. I noticed that in Sport mode that when you stop like at a stop sign or in the middle of the road, the car does not go into 1st gear, it will go into 2nd and that's where you take off from. You have to manually shift down into 1st while stopped.

Basically we were doing burnouts (yes I'm 34) and couldn't get the car to do them in drive or sport even with TC off. Hold down brake, hit gas, and let off brake while gas is floored. If you shift down into 1st you can leave a nice long dual rubber track into 3rd gear before the car catches. Lotta smoke, good stuff. Won't do jack in 2nd gear as I found out.

Anyone else notice Sport not starting from 1st gear and is there a reason besides preventing me from ruining my tires?

I was also researching online and noticed a lot of gear differences between the transmissions. I don't know what it means, I'm assuming the bigger the number the more torque?

Transmissions
Hydra-Matic 6l50 six-speed automatic (LS, LT) w/ TAPshift
Gear ratios (:1):
First: 4.07
Second: 2.37
Third: 1.55
Fourth: 1.16
Fifth: 0.85
Sixth: 0.67
Reverse: 3.06
Final drive ratio: 3.27

Hydra-Matic 6l80 six-speed automatic (SS) w/ TAPshift
Gear ratios (:1):
First: 4.03
Second: 2.36
Third: 1.53
Fourth: 1.15
Fifth: 0.85
Sixth: 0.67
Reverse: 3.06
Final drive ratio: 3.27

Aisin Warner AY6 six-speed manual (LS, LT)
Gear ratios (:1):
First: 4.48
Second: 2.58
Third: 1.63
Fourth: 1.19
Fifth: 1.00
Sixth: 0.75
Reverse: 3.67
Final drive ratio: 3.27

TR6060 six-speed manual (SS)
Gear ratios (:1):
First: 3.01
Second: 2.07
Third: 1.43
Fourth: 1.00
Fifth: 0.84
Sixth: 0.57
Reverse: 3.28
Final drive ratio: 3.45


The only mode that doesn't automatically start out in 1st gear is M (manual - tap shift mode). In manual/tap shift mode, it only drops you down to 2nd gear when you come to a stop. As you mentioned, the only way to be in 1st gear is to tap down into it.
The other modes (D -regular drive), (M -regular sport mode) start you out in
1st gear everytime you come to a complete stop.
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Old 08-10-2009, 05:32 PM   #9
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you had a bad rt on the second slip.
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Old 06-05-2010, 07:23 PM   #10
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BUMP. TAPshift is pretty quick, even with the stock tune. I need the datalog my tuned tranny. I bet it's close to .1 sec. Can anyone outshift that? lol
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Old 08-24-2010, 09:26 PM   #11
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Quote:
Originally Posted by scrming View Post
Went to the track today... I made a couple of back to back passes, one in Sport and one shifting manual.

so there in this very unscientific test there is a very slight advantage to using the tap shifter....
Interesting info and results... nice post! Thanks
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