3.73 vs 4.10 gears on a daily driver - Mustang Evolution

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Old 02-24-2012, 10:54 AM   #1
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3.73 vs 4.10 gears on a daily driver

Ok, So I have the factory 3.27 gears still and I was wondering what people have been doing with their car. I drive a 2001 gt drop top. I plan on putting in a new limited slip differential and axles that are 31 spline, and I want to replace the gears while I'm there, I have heard that 3.73 are popular in daily drivers. Just looking for some suggestions. This car is more of a daily driver than a street/strip car. I plan on doing a bit to it performance wise, but nothing crazy. I don't mind if my gas mileage drops some, but I don't want to decimate my gas mileage either.
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Old 02-24-2012, 11:00 AM   #2
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Quote:
Originally Posted by lConnerl
Ok, So I have the factory 3.27 gears still and I was wondering what people have been doing with their car. I drive a 2001 gt drop top. I plan on putting in a new limited slip differential and axles that are 31 spline, and I want to replace the gears while I'm there, I have heard that 3.73 are popular in daily drivers. Just looking for some suggestions. This car is more of a daily driver than a street/strip car. I plan on doing a bit to it performance wise, but nothing crazy. I don't mind if my gas mileage drops some, but I don't want to decimate my gas mileage either.
If u have a 5-spd get the 3.73 but if u have an Auto get 4.10.
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Old 02-24-2012, 11:09 AM   #3
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Re: 3.73 vs 4.10 gears on a daily driver

Alright, I was leaning more towards 3.73 in my car so sounds good to me, thanks for the tip. and it is a 5 speed. Wouldn't have it any other way.
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Old 02-24-2012, 12:27 PM   #4
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Re: 3.73 vs 4.10 gears on a daily driver

I feel like I keep parroting myself... 4.10's ona stick car. Don't do 3.73's! I daily drove my 2002 GT 5spd with 4.10's back and forth on the highway for 2 hours a day back and forth for work... It was fun as hell and the fuel difference from the stock 3.27 was minimal. Don't fear the gear man! Do it right the first time and go 4.10's trust me... Part of me wishes i would have gone 4.30 but.... HAHAHA If it's a 2001.5 or newer with the 3650 you'll be fine on the highway and can cruise in town in 5th if you really want to.
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Old 02-24-2012, 12:34 PM   #5
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Originally Posted by rk122075
I feel like I keep parroting myself... 4.10's ona stick car. Don't do 3.73's! I daily drove my 2002 GT 5spd with 4.10's back and forth on the highway for 2 hours a day back and forth for work... It was fun as hell and the fuel difference from the stock 3.27 was minimal. Don't fear the gear man! Do it right the first time and go 4.10's trust me... Part of me wishes i would have gone 4.30 but.... HAHAHA If it's a 2001.5 or newer with the 3650 you'll be fine on the highway and can cruise in town in 5th if you really want to.
According to what you want they r both the best gears.
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Old 02-24-2012, 01:17 PM   #6
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Re: 3.73 vs 4.10 gears on a daily driver

I feel like I keep answering this as well... 4.10 is amazing. Don't fear the gear. There is a link in my signature that will give you more material to read up on as well as a video to show you expected RPMs on HWY with 4.10 gears and a 3650 tranny.
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Old 02-24-2012, 01:26 PM   #7
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Quote:
Originally Posted by lConnerl
Alright, I was leaning more towards 3.73 in my car so sounds good to me, thanks for the tip. and it is a 5 speed. Wouldn't have it any other way.
I'm the same way. What kind of daily driving do you do??? 4:10 will be way more fun but if you drive a lot of highway u will see about a 2-3 mpg loss. I drive 28 miles to work and 28 miles home (11 country road, 16 hwy, 1 city) that's why I chose to go 3.73. If you drive all city a 4.10 might actually save you gas or not change....
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Old 02-24-2012, 01:51 PM   #8
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Re: 3.73 vs 4.10 gears on a daily driver

Quote:
Originally Posted by ColeJohnson View Post
I feel like I keep answering this as well... 4.10 is amazing. Don't fear the gear. There is a link in my signature that will give you more material to read up on as well as a video to show you expected RPMs on HWY with 4.10 gears and a 3650 tranny.
I'm sorry to those who have continuously answered this question, I did a search before I posted this thread trying to find some information before pestering anyone, unfortunately I did not find anything that answered my question.

My stang is an early 2001 gt, 5 speed (T45 correct?). I currently do a lot more freeway driving than street. I want to swap out my gears for something that will be fun but will work with me using this as my daily driver. And I don't plan on racing this car, its a drop top and racing a drop top is not exactly part of my agenda. Its my cruising car more than anything.
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Old 02-24-2012, 02:04 PM   #9
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Quote:
Originally Posted by lConnerl

I'm sorry to those who have continuously answered this question, I did a search before I posted this thread trying to find some information before pestering anyone, unfortunately I did not find anything that answered my question.

My stang is an early 2001 gt, 5 speed (T45 correct?). I currently do a lot more freeway driving than street. I want to swap out my gears for something that will be fun but will work with me using this as my daily driver. And I don't plan on racing this car, its a drop top and racing a drop top is not exactly part of my agenda. Its my cruising car more than anything.
Depends on when your car was made in 01. It could have the t45 or the 3650. Check your door and post the build date.

And according to Cole Johnsons other post in looking at going with 4.10 now an I drive a 02 drop top 5speed. According to what he said you are looking at 1-150 more rpms from 4.10 over 3.73. Thats not alot of rpms for the ammount of fun it provides....

---------- Post added at 03:04 PM ---------- Previous post was at 03:00 PM ----------

Like he said somewhere, we should measure our cars in smiles per gallon.
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Old 02-24-2012, 03:15 PM   #10
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I apologize for sounding hostile. I hope your question gets answered. I'm not sure of the differences in t45 and 3650.
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Old 02-24-2012, 03:36 PM   #11
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I didn't take it as being hostile, but I know answering a particular question repeatedly can be rather annoying. So I wanted to apologize to people who have answered this question a lot. I have a couple months to make up my mind, but I'm set on one of those two selections. I'm pretty sure my car has the t45, I know for a fact that it's an early 01. Found that out when I went to replace the water pump.
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Old 02-24-2012, 03:52 PM   #12
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Quote:
Originally Posted by lConnerl
I didn't take it as being hostile, but I know answering a particular question repeatedly can be rather annoying. So I wanted to apologize to people who have answered this question a lot. I have a couple months to make up my mind, but I'm set on one of those two selections. I'm pretty sure my car has the t45, I know for a fact that it's an early 01. Found that out when I went to replace the water pump.
If its early then yes it should be a t45
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Old 02-24-2012, 04:29 PM   #13
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Re: 3.73 vs 4.10 gears on a daily driver

LMAO, YES, Sorry if it came across as aggressive in ANY way! I stand by my 4.10 theory... Although a 3.90 would be a happy medium between a 3.73 and a 4.10.

IF MEMORY SERVES ME RIGHT..... The T-45 will rev higher than the 3650 in 5th at highway speeds I just can't remember the exact difference sorry.
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Old 02-24-2012, 08:25 PM   #14
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I have 4:10 in my 94 5.0 5speed and I love them. And I went from 2:73. So that was a big jump. Used to if I was on thr highway amd wanted to pass somebody I had to drop down to third. Now I can juat leave it in fifth and pass them no problem. The acceleration in fifth gear is amazing. And 4:10s love hills. They pull right up them with no problem at all. My rpms at 60 is bout 1950 to 2000. In fifth. My old 2:73 ran about 1400 rpm in fifth at 60 mph and the my motor don't make a whole lot of power at 1400 rpm so that's why I switched. But I wouldn't go with 373. I heard that u only notice a small difference. And that wouldn't be worth the time amd money Go all the way !!!
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