4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Automatic Transmission

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Old May 7, 2010 | 07:52 PM
  #1  
seibman's Avatar
seibman
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From: PA.
Default Automatic Transmission

I have an '04 Stang with a 4.6, love the car except for it being an automatic...but the price was right...is there anyway to get a more aggressive shift? Any help would be greatly appreciated!!
Old May 7, 2010 | 08:11 PM
  #2  
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Not sure what you mean by a more aggressive shift. You can use a tuner to set the RPMs that is shifts at but I wouldn't recommend it IMO.
Old May 7, 2010 | 08:42 PM
  #3  
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smythge
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You can get a shift kit, J-mod,or buy a new valvebody, increase the line pressure with a handheld tuner, do a search.
Old May 7, 2010 | 11:26 PM
  #4  
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sonicx
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Originally Posted by smythge
You can get a shift kit, J-mod,or buy a new valvebody, increase the line pressure with a handheld tuner, do a search.
+1 (shift kit) 4R70W transgo shift kit

Good stuff
Old May 9, 2010 | 09:21 AM
  #5  
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grogan
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i used a transgo shift kit on my stock tranny..i liked it but i eventually blew out the drive gear.

my car is pretty much a drag only car tho, i was shifting it constantly
Old May 9, 2010 | 11:47 AM
  #6  
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Thanks for the info!!
Old May 9, 2010 | 12:14 PM
  #7  
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smythge
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I put the transgo shift kit in my car, and the 1-2 shift and 2-3 shift were way too hard, the 3-4 shifts would lag, I called transgo and the customer service was awful. I replaced it with PA valve body and everything works great, I now have firm & fast shifts.
Old May 9, 2010 | 01:04 PM
  #8  
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trailor
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delta force special forces tuner has very customizable shift settings for automatics. i have no personal experience with that whatsoever since i have 5sp, but i have heard great things about it. and making firmer shifts is actually better for automatics, its the really smooth shifts that ruins em

edit: and the special forces tuner will also allow you to raise/lower the rev limiter on each shift individually, which would help out a little since, IMO, the rev limiter is a bit low in most gears

Last edited by trailor; May 9, 2010 at 01:07 PM.
Old May 9, 2010 | 06:45 PM
  #9  
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02TrueBlueGT
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I don't know why people hate on autos so much. The trans has so much potential. Would stay away from the transgo shift kit though. Go with a new valve body or go with the j-mod. Trans cooler should be one of the first things you do no matter what. You can also get a different converter as well. Again don't hate on the auto just yet. I'd always rather pick auto over manual.
Old May 9, 2010 | 08:19 PM
  #10  
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trailor
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i don't agree with everything trueblue said above, but def a +1 on the tranny cooler if you're a more "spirited" driver



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