V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

shift kit?

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Old Feb 21, 2006 | 10:51 PM
  #1  
tictac's Avatar
tictac
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From: Topeka/Fort Riley, Kansas
Default shift kit?

i was talking to one of my friends earlier today and he said something about a shift kit would be good for my auto mustang. can someone give me more insight into what they do? i know they make your shift points harder which is (?) better for the transmission. I appreciate any input.

thanks.
Old Feb 22, 2006 | 01:32 AM
  #2  
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Default RE: shift kit?

OK, wherever I screw up on this explanation, Harv will fix it. A shift kit causes your car to rev quicker and shift harder to raise accelleration. It shouldn't mess with your shift points as that is programmed into your ecu and you will need a tuner to redo that. Also, a shift kit should decrease the life of your tranny, by how much, I don't know, because I'm not 100% sure on this one.
Old Feb 22, 2006 | 01:37 PM
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Default RE: shift kit?

shift kit increases tranny life, it increase the psi that the tranny shifts at so it shifts harder and quicker. I personally would just buy a diablo tuner and change the limiters, shift points and preasure along with a bunch of other stuff you can mess around with.
Old Feb 22, 2006 | 01:45 PM
  #4  
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Default RE: shift kit?

How does increasing psi and shift firmness increase tranny life, because technically that should strain the tranny more when you shift because you're forcing it to shift to the next gear quicker, and harder than it used to?
Old Feb 22, 2006 | 02:04 PM
  #5  
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Default RE: shift kit?

Because it allows the clutches inside to lock up quicker, producing less friction on them. But this is a question for Heir Boozmeister, as he's got one.
Old Feb 22, 2006 | 02:06 PM
  #6  
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Default RE: shift kit?

Thicker springs...better quality parts.

From the TransGo site:

Q Will the installation of TransGo Performance Shift Kit® hurt my transmission?

A On the contrary, the TransGo Performance Shift Kit® will IMPROVE durability by increasing friction component apply/holding ability. This reduces heat buildup that harms friction components, and at the same time increases cooling and lubrication flow in the transmission.
Old Feb 22, 2006 | 02:08 PM
  #7  
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Default RE: shift kit?

ORIGINAL: Jefferson

Thicker springs...better quality parts.

From the TransGo site:

Q Will the installation of TransGo Performance Shift Kit® hurt my transmission?

A On the contrary, the TransGo Performance Shift Kit® will IMPROVE durability by increasing friction component apply/holding ability. This reduces heat buildup that harms friction components, and at the same time increases cooling and lubrication flow in the transmission.
See 2 posts above...
Old Feb 22, 2006 | 02:08 PM
  #8  
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jthorn9
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Default RE: shift kit?

Well OK, there's the answer we've been looking for.
Old Feb 22, 2006 | 02:09 PM
  #9  
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Default RE: shift kit?

Mine was more official.
Old Feb 22, 2006 | 02:10 PM
  #10  
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jthorn9
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Default RE: shift kit?

Yea, yea, yea, post *****.



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