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A4 vs. MN6

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Old May 23, 2008 | 08:01 AM
  #41  
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My wife says her '01 MN6 Vert(Vararam, AR headers) is quicker than her '04 A4 Vert ( blackwing, 410 rear end)

She is lusting after my Z06.... but says if its not a convertible she is not owning it...
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Old May 23, 2008 | 08:34 AM
  #42  
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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Well I have an A4 w/3.42's out back and a YANK 3200 stall with 639 RWHP

My buddy Joe has a M6 with 525 RWHP 3.42's and the same SuperCharger as me and I have to say that I like the A4 better and I have driven both very hard.

One sure benefit to the A4 is when you go to the 1/4 mile track they tend to be quicker

Thanks,Matt
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Old May 23, 2008 | 07:22 PM
  #43  
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Originally Posted by Nyt_Muves
What is the purpose of that?
My guess is the tranny or torque converter cannot handle that much torque. Prior to 2001(?) both auto and manual had the same torque (lower than 360). The newer C5s are 360 (auto) or 375 (manual).
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Old May 23, 2008 | 08:59 PM
  #44  
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Originally Posted by ScottJ97
My guess is the tranny or torque converter cannot handle that much torque. Prior to 2001(?) both auto and manual had the same torque (lower than 360). The newer C5s are 360 (auto) or 375 (manual).
Thanks...

That makes some sense...
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Old May 23, 2008 | 10:45 PM
  #45  
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Originally Posted by ScottJ97
My guess is the tranny or torque converter cannot handle that much torque. Prior to 2001(?) both auto and manual had the same torque (lower than 360). The newer C5s are 360 (auto) or 375 (manual).
The stock tranny & TC can easily handle 450 HP.

Although these debates have been going on for years in the Forum, as long as it remains civil, it can be educational.

Firstly, the stock A4 is designed for the average driver who is looking for a ‘sporty’ but comfortable ride, so shift-points & torque management reflect this. Secondly, GM has to be concerned with a good MPG rating; therefore, the stock rear is 2.73. Thirdly, how would it look if the A4 Vette had better ¼ mile times then the MN6, which is why the “performance pkg” is only a 3.15 rear. If you replace the A4 rear with a 3.42 from the MN6, install a performance torque converter, and re-program GM’s soft shift-points with a slap-you-in-the-face shift, you have faster ¼ mile than the MN6.

As far as road racing, I have been running an A4 at the track for 5 years. The transmission has significantly less impact on lap times than brakes, tires, shocks, stabilizer bars, & driver experience. For that matter, engine oil & brake fluid impacts the performance more. I continually see cars with less horsepower out-perform higher HP cars.

The bottom line is select the tranny you prefer!
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Old May 23, 2008 | 11:20 PM
  #46  
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Originally Posted by nj02vette
Yes they are the same engine and make the same power, just the A4 cars have a lower value of Torque management set in the PCM from the factory. It cuts power if it exceeds this preset value.
Very interesting, definitely learning alot here!

Originally Posted by ScottJ97
My guess is the tranny or torque converter cannot handle that much torque. Prior to 2001(?) both auto and manual had the same torque (lower than 360). The newer C5s are 360 (auto) or 375 (manual).
I seriously doubt that 15 more foot/pounds of torque would make that much of a difference in car already making well over 300 though.

-Alex
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Old May 24, 2008 | 01:12 AM
  #47  
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My 00 vert is a 6spd, my 2 vettes before were both autos. 1 2002 and a 96. I would not say that the manual is a lot faster, but it does seem to be a bit. I looked hard for a 6 spd becasue to me they are much funner to drive. I would say that at his point I wont buy another automatic becasue the mn is funner and my wife doesnt know how to drive one, so no worrys on her driving my baby lol.
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Old May 24, 2008 | 02:56 AM
  #48  
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Originally Posted by 2000lambovette
My 00 vert is a 6spd, my 2 vettes before were both autos. 1 2002 and a 96. I would not say that the manual is a lot faster, but it does seem to be a bit. I looked hard for a 6 spd becasue to me they are much funner to drive. I would say that at his point I wont buy another automatic becasue the mn is funner and my wife doesnt know how to drive one, so no worrys on her driving my baby lol.

Much funner to drive???....How about "much more fun to drive"????
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Old May 24, 2008 | 03:41 AM
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Originally Posted by Jacks02
Originally Posted by jornahow
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Old May 24, 2008 | 09:56 AM
  #50  
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Originally Posted by 2000lambovette
My 00 vert is a 6spd, my 2 vettes before were both autos. 1 2002 and a 96. I would not say that the manual is a lot faster, but it does seem to be a bit. I looked hard for a 6 spd becasue to me they are much funner to drive. I would say that at his point I wont buy another automatic becasue the mn is funner and my wife doesnt know how to drive one, so no worrys on her driving my baby lol.
If you're going in a straight line the auto is faster. If it's a daily driver and you're not going to go mod crazy on it, I would stick with an auto.

If it's a weekend driver or you're going to do a lot of mods a stick may be a better choice.

I converted from and auto to a six-speed, because my plans changed and I just turned the car in to a weekend driver, with lots of extras.

Drive both and figure out what you like best.
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Old May 24, 2008 | 10:31 AM
  #51  
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Originally Posted by Cozmo
The higher the numbers the lower the gear ratio. That means better accelleration and less gas mileage. A very good mod for a guy with an A4 tranny would be the 3.42 rear gears. Check the forum. There are many folks who have done it and have been very pleased.

Other options are 3.73 are 4.10s but I think those are too steep for an A4. That however is just my humble opinion. Some other person who is more knowledgeable on this may post some better info.
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Old May 24, 2008 | 12:38 PM
  #52  
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Yep, I have an A4 car with 3.42 gears and I love it. Does pretty well at the strip. Wish I had a 6 speed for the track.
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