Stay with 4:10 gears or drop down to 3:73 or lower - MustangForums.com


5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 06-07-2013, 02:07 AM   #1  
IvanFiveLiter
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Default Stay with 4:10 gears or drop down to 3:73 or lower

I currently have 4:10's and i will be supercharging my car. Not sure if i should get longer gears to let the supercharger boost come into play longer and better for highway pulls.
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Old 06-07-2013, 11:04 PM   #2  
tinman
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I think most of the people with blown cars only use about 3.73 gears, don't need more than that because of all the torque they make.....
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Old 06-09-2013, 10:46 AM   #3  
mongolchuck
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You running an auto or manual? Autos, especially 4 speeds, tend to have higher (numerically lower) gear ratios which is why they came with 3.08 or 3.27 rear ends as opposed to the 2.73 manuals came with.
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Old 06-09-2013, 11:36 AM   #4  
Duncan_GT
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I'll second the 3.73 choice. My buddy had 4.56 gears on his turbo'd 600hp car. Needless to say, he had no traction. Ever.
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Old 06-11-2013, 07:00 PM   #5  
IvanFiveLiter
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manual tremec 3550
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Old 06-11-2013, 07:01 PM   #6  
IvanFiveLiter
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yea and i was possibly thinking 3:55 so i can have a longer power band for highway speeds but do you think the gearing would kill my 1/4 mile times opposed to have 4:10's
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