3:73 or 4:10
5th Gear Member
Joined: Jun 2006
Posts: 2,250
From:
RE: 3:73 or 4:10
ORIGINAL: Pimpin Pony
they will both give you worse gas mileage. I belive that the stock differential is 3.55 for an auto. I could be wrong though, but I think that is what it is. anyway 4.10 is gona give you the worst of the two. I personally would go with 3.73... that is what i plan to go with, but its up to you 4.10 will accelerate a little faster, but give you worse top end and worse gas mileage, to me 3.73 seems like a good compramise, but all the guys on here with 4.10 seem to love it, but they also all have pics of them on the dragstrip too if you get what I am saying.
they will both give you worse gas mileage. I belive that the stock differential is 3.55 for an auto. I could be wrong though, but I think that is what it is. anyway 4.10 is gona give you the worst of the two. I personally would go with 3.73... that is what i plan to go with, but its up to you 4.10 will accelerate a little faster, but give you worse top end and worse gas mileage, to me 3.73 seems like a good compramise, but all the guys on here with 4.10 seem to love it, but they also all have pics of them on the dragstrip too if you get what I am saying.
If you plan on going to drag pretty frequent then 4.10 all the way. But if its your Daily Driver and just take it to the strip everynow and then 3.73
5th Gear Member
Joined: Sep 2005
Posts: 2,750
From:
RE: 3:73 or 4:10
ORIGINAL: mustangman02232
thats not even close with OD off and a 27" tall tire you will be turning 4000 rpms at 80 mph while with 4.10s in overdrive and a 27" tall tire you should be turning about 3k
ORIGINAL: HurricaneStang
I asked that and i have an auto. They told me drive for a week with your overdrive off. If your fine with it then get 4.10 other 3.73 is still a great upgrade to get. When i get gears thats what i'm gonna get.
I asked that and i have an auto. They told me drive for a week with your overdrive off. If your fine with it then get 4.10 other 3.73 is still a great upgrade to get. When i get gears thats what i'm gonna get.
80 MPH in OD with the stock gearing is about 2350 RPM...
with 3.73 it's 2650...
with 4.10 it's 2900...
6th Gear Member
Joined: Dec 2004
Posts: 15,865
From: Ludlow, Mass
RE: 3:73 or 4:10
ORIGINAL: scrming
right... the idea is if you can survive without OD then you can survive 4:10s since 4:10's are not as bad as losing your OD...
80 MPH in OD with the stock gearing is about 2350 RPM...
with 3.73 it's 2650...
with 4.10 it's 2900...
ORIGINAL: mustangman02232
thats not even close with OD off and a 27" tall tire you will be turning 4000 rpms at 80 mph while with 4.10s in overdrive and a 27" tall tire you should be turning about 3k
ORIGINAL: HurricaneStang
I asked that and i have an auto. They told me drive for a week with your overdrive off. If your fine with it then get 4.10 other 3.73 is still a great upgrade to get. When i get gears thats what i'm gonna get.
I asked that and i have an auto. They told me drive for a week with your overdrive off. If your fine with it then get 4.10 other 3.73 is still a great upgrade to get. When i get gears thats what i'm gonna get.
80 MPH in OD with the stock gearing is about 2350 RPM...
with 3.73 it's 2650...
with 4.10 it's 2900...
ORIGINAL: Dax21
so 4:10 will be better for mileage COMPARED to the 3:73? so 3:73 helps more with speed? correct? this is too hard of a decision for me lol! what will the 3:73's do to my mileage compared to stock?
so 4:10 will be better for mileage COMPARED to the 3:73? so 3:73 helps more with speed? correct? this is too hard of a decision for me lol! what will the 3:73's do to my mileage compared to stock?
all stock 6ers have 3.31s
4th Gear Member
Joined: Jun 2006
Posts: 1,165
From:
RE: 3:73 or 4:10
I think we have 3.23 gears dont we? If im wrong either way gears in general whether 3.73 or 4.10 are still a good improvement right? Just on the basis of normal driving i'd probably go with the 3.73 i think.
6th Gear Member
Joined: Dec 2004
Posts: 15,865
From: Ludlow, Mass
RE: 3:73 or 4:10
ORIGINAL: HurricaneStang
I think we have 3.23 gears dont we? If im wrong either way gears in general whether 3.73 or 4.10 are still a good improvement right? Just on the basis of normal driving i'd probably go with the 3.73 i think.
I think we have 3.23 gears dont we? If im wrong either way gears in general whether 3.73 or 4.10 are still a good improvement right? Just on the basis of normal driving i'd probably go with the 3.73 i think.
they are a good improvement, but i would just let the motor turn the extra 200 rpms and loose teh additional 1.5 mpg
5th Gear Member
Joined: Sep 2005
Posts: 2,750
From:
RE: 3:73 or 4:10
ORIGINAL: Pimpin Pony
I was pretty sure that there was a difference between the manuals and the autos. I thought the autos came with 3.55s and the manuals came with 3.31s?
I was pretty sure that there was a difference between the manuals and the autos. I thought the autos came with 3.55s and the manuals came with 3.31s?
Joined: Jul 2006
Posts: 12
From:
RE: 3:73 or 4:10
I'm a newbie to modding my Mustang and I'm totally confused. What exactly does different gearing do? Everybody seems to be worried about MPG. Does it make you accelerate faster? Any help you could give me would be appreciated. Thanks.