What gears to get in rear end - Mustang Evolution

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Old 05-15-2012, 08:21 PM   #1
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What gears to get in rear end

I can't decide if I want 3.55 or 3.73 can anyone explain the differences between these
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Old 05-15-2012, 08:31 PM   #2
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Re: What gears to get in rear end

The higher the number the faster the acceleration... On the freeway since you have shorter gears you will be at a higher rpm so you will see a change in mileage (Only like 2-3 mpg though). The most common that people get is 3.73. Depending on if you have an auto or manual also, most people who have autos get 4.10s and people with manuals go 3.73s... Also your top speed will be slightly lower since you will have shorter gears, but not by much and who ever even hits top speed? #1 thing to come out of this with is the higher the number the better the acceleration.
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Old 05-15-2012, 08:34 PM   #3
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Mines a manual so I'll probably go with the 3.73 then.
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Old 05-15-2012, 08:34 PM   #4
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Go with at least 3.73s. No need to thank me later lol
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Old 05-15-2012, 08:39 PM   #5
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So it will make that much of a difference?
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Old 05-15-2012, 08:42 PM   #6
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Night and day

---------- Post added at 06:42 PM ---------- Previous post was at 06:40 PM ----------

Quote:
Originally Posted by 2000_gt
So it will make that much of a difference?
Yep. I'd say go with 4.10s but you'd still be happy with a 3.73
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Old 05-15-2012, 08:44 PM   #7
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Is it hard to do this by your self or should I go get it done. Around how much would it cost labor wise
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Old 05-15-2012, 09:16 PM   #8
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I paid somebody else to do mine. I was getting other stuff done also so I'm not sure what the labor of that specific job would run. I would GUESS labor alone would be low 200s
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Old 05-16-2012, 01:03 AM   #9
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Quote:
Originally Posted by 2000_gt
Is it hard to do this by your self or should I go get it done. Around how much would it cost labor wise
How knowledgeable are you on working on cars? It's definitely not a task for beginners. I have 3.55s and didn't notice much. I vote go 3.73s.
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Old 05-16-2012, 04:00 AM   #10
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I'd have 3.73 gears it's the all around perfect gear
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Old 05-16-2012, 06:37 AM   #11
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3.73s & have someone qualified do it.
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Old 05-16-2012, 11:38 AM   #12
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Re: What gears to get in rear end

What are your long term goals? For 170 bucks, 4.10s are hard to beat in proven ET gains. Now, if you were to S/C, you would have tons of traction problems that usually only the best of tires and drivers will launch adequately.

I would recommend 4.10s all day if staying N/A or 3.73 or even the 3.55 if you plan on forced induction.
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