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1990 Mustang 5.0L LX - Gear Ratio?

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Old Oct 27, 2009 | 01:35 AM
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Question 1990 Mustang 5.0L LX - Gear Ratio?
I searched the forums & internet, but couldn't find it readily.

Anyone know the stock gear ratio (5 speed) that was built into the 1990 Mustang 5.0L LX?

Thanx.
Last edited by 7up; Oct 27, 2009 at 01:37 AM.
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Old Oct 27, 2009 | 01:46 AM
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Mine were 3.08 but I think that was an option and they usaully are 273.
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Old Oct 27, 2009 | 06:48 AM
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Originally Posted by 10GTPony
I searched the forums & internet, but couldn't find it readily.

Anyone know the stock gear ratio (5 speed) that was built into the 1990 Mustang 5.0L LX?

Thanx.
read now!
https://mustangforums.com/forum/5-0-...bers-read.html
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Old Oct 27, 2009 | 08:17 AM
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Count how many times the driveshaft spins for one tire revolution. If the drifeshaft spins 2 3/4 times you have 2.73's. If it spins just slightly over 3 times you have 3.08's.
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Old Oct 27, 2009 | 11:50 AM
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Axle Codes:

Code M = 2.73
Code Z = 3.08
Code E = 3.27 (AOD's only)
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Old Oct 27, 2009 | 12:02 PM
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Originally Posted by mjr46

My profuse apologies for cluttering the forum with posts in the wrong section, mjr46.
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Old Oct 27, 2009 | 12:04 PM
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Originally Posted by projectresto83
Count how many times the driveshaft spins for one tire revolution. If the drifeshaft spins 2 3/4 times you have 2.73's. If it spins just slightly over 3 times you have 3.08's.
Thank you for the info, but the vehicle is long gone.
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