GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Downshift speeds?

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Old Oct 18, 2006 | 12:43 PM
  #1  
gambi06's Avatar
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Joined: September 27, 2006
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Downshift speeds?

What gears does everyone downshift to (at given speeds) when getting on it on the highway?

40MPH?

60MPH?

75MPH?


This is assuming you have the stock 3.55 gear, and a 5-speed GT.

Just curious....

-gambi06
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Old Oct 18, 2006 | 12:50 PM
  #2  
theedge67's Avatar
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Joined: July 4, 2006
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From: St. Louis Area
At 40 you can easily do 3rd, or you can go for the gold and go to 2nd (it will really kick you in the pants)

60 should go for 3rd

75 go for either 3rd or 4th depending on how much go you want.
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Old Oct 18, 2006 | 01:04 PM
  #3  
TacoBill's Avatar
 
Joined: September 23, 2004
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From: SoCal
I know from personal experience that you'll be going darn near a 100 at the end of 3rd.
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Old Oct 18, 2006 | 01:37 PM
  #4  
SONICBOOST's Avatar
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I hit third at about 60!
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Old Oct 18, 2006 | 02:33 PM
  #5  
G.T's Avatar
G.T
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Joined: April 30, 2005
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From: Dubai
from memory, my stock manual 2006 GT redlined (~6,000 RPM) as follows:
1st gear @ 37mph
2nd gear @ 66mph
3rd gear @ 103mph
4th gear @ 132mph
5th gear @ 149mph (it hits the speed limiter while around 4,500 RPM)
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Old Oct 18, 2006 | 07:09 PM
  #6  
RadBOSS's Avatar
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Joined: August 16, 2005
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From: Central Coast, CA
If you are driving modestly, shift at 3000 in the lower gears. If you shift too soon, you'll know it.
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Old Oct 19, 2006 | 11:14 AM
  #7  
06GT's Avatar
 
Joined: June 29, 2005
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Downshifting...

40mph seems to be about 4500 RPM in 2nd gear, IIRC

On the highway, if my speed is below 80mph, I will shift into 3rd (if I need to GO GO GO), otherwise I downshift to 4th.

I would not consider going to 2nd gear unless speed is below 45mph and I REAAAAAAALLY needed to move.
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