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-   -   3.73's or 4.10's (http://mustangforums.com/forum/4-6l-v8-technical-discussions/671644-3-73s-or-4-10s.html)

Jkocher 05-06-2012 08:08 PM

3.73's or 4.10's
 
I have a 2007 mustang gt/cs. I have put on a steeda cold air intake, tuner, and i was wondering what gears to get. I drive it at least 3 times a week, unless there is bad weather. I also have 20 inch wheels. So the question is 3.73's or 4.10's?

Diabolical! 05-06-2012 09:32 PM

Why stop there? Why not 4.30? 4.56? 4.88? Hell, popular opinion is all that matters...

duckbubbles 05-06-2012 10:49 PM

What do you have now? If you have 3.55's you will hardly notice the difference with 3.73's.

Frank

Jkocher 05-06-2012 11:05 PM

It has 3.31's

Roush05 05-06-2012 11:21 PM

how much of your driving is highway and how much is in town? Does gas mileage matter? If the answer to the latter question is no, get 4.10s. They will go well with cams if you ever decide to get them. They help to get a centrifugal supercharger into boost as well. First gear becomes almost useless though, fyi. A set of NT555 tires in the back, some 4.10 gears, and a little practice got me from a 5.5 second 0-60 to a 4.8.

BlackGT45th 05-07-2012 12:23 AM

Just like Roush05 said if MPGs don't matter or you don't spend a ton of time on the highway then 4.10s are good. Either way you will get better performance over the 3.31s.

Ricardo 05-07-2012 04:25 AM

It's your choice...search and read people's experiences.
I went from 3.31 to 4.10 after driving a friend's car that had 3.73 gears. MPG improved in town and on the hwy. I just stay in 5th above 25 mph. The car is a lot more fun, I personally do not regret it. RPMs are in the same range as a 4 cyl car...3000 or so @ 70...no big deal, how obnoxious that is to you depends on your exhaust.
Traffic? Start in 2 and shift into 5, that's it.

Hope that helps.

MadMike1337 05-07-2012 07:13 AM

Go 4.10 i went from 3.55 to 3.73. I did notice a different but minimal like said before. I drive hwy often so i didnt want the 4.10. I am happy with them though.

jdmcbride 05-07-2012 07:56 AM

Quote:

Originally Posted by Roush05 (Post 7933315)
how much of your driving is highway and how much is in town? Does gas mileage matter? If the answer to the latter question is no, get 4.10s. They will go well with cams if you ever decide to get them. They help to get a centrifugal supercharger into boost as well. First gear becomes almost useless though, fyi. A set of NT555 tires in the back, some 4.10 gears, and a little practice got me from a 5.5 second 0-60 to a 4.8.

Drag Strip Car............... 4.10s
DD or Weekend Fun Car.. 3.73s

I love my 3.55s, but wish I had gotten 3.73s (not an option in 2008). My car is my DD and I do take it on long trips. I guess I don't get why someone would get 4.10s and then not use 1st gear in a daily driver. I can see if you visit the drag strip a lot - it would get you out of the hole quicker - but my first gear disappears pretty quick with my mods below with 3.55s...

mayo 05-07-2012 05:08 PM

I sweated and sweated this call myself and finally went 3.73 from 3.31 with my a/t. MUCH better, haven't regreated it at all. It was alittle jumpy at first with the stock wheels/tires but when I put on my summer tires and the effective final gear went to 3.5?ish, I was sold on the combo.
The 4.10 will get me redlight to redlight if the 4.10's have enough grip, but pull up beside V going 50mph with those 4.10's and you will meet your maker...well if you don't have 400hp anyways ;)
It's all about personal preference as stated before, and really no bad choice can be made...for the street I would say 3.73, if you plan to head to the track, 4.10's.

outceltj 05-07-2012 08:53 PM

410s man

Jkocher 05-07-2012 09:51 PM

My car is a daily driver, and I don't want to lose my top end completely. I also want to have a first gear. So I almost feel like it is between 3.55 or 3.73. I usually drive in town and highway; I don't get much interstate driving.

69MustangCoupe393cid 05-08-2012 11:03 AM

I got 4.10s for my 7 day a week dd. I regret it. I wish I got 4.30s. Don't fear the gear. I didn't notice a fuel mileage drop city or highway. First gear is also not useless, I use it everyday. Cars a freakin rocket in first. Have traction problems? upgrade your suspension. My opinion go big or go home. It's not worth swapping gears if your not making a big jump. Hell I even have a t45 and I'm fine with it. I plan on getting a 3650 with the .62 of gear and it will drop the rpm back down a bit. Oh and get the cobra clutch packs too, they're awesome.

Ricardo 05-09-2012 03:21 AM

Quote:

Originally Posted by Jkocher (Post 7934281)
I don't want to lose my top end completely.

You talking about speed? My car has 4.10s with the usual basic mods... intake/exhaust/tune and it will go as fast as it did with the 3.31s, plenty fast enough to be dangerous.

lawrencecar1 05-09-2012 12:24 PM

Mine came with 3.55, i changed to 3.73 and then changed to 4.10. Good choice for me. Mostly city driving..

jz 05-09-2012 01:25 PM

Never once have I regretted my 4.10's

RyansWhipple 05-09-2012 06:11 PM

Quote:

Originally Posted by Jkocher (Post 7933125)
I have a 2007 mustang gt/cs. I have put on a steeda cold air intake, tuner, and i was wondering what gears to get. I drive it at least 3 times a week, unless there is bad weather. I also have 20 inch wheels. So the question is 3.73's or 4.10's?

If you want to go fast (top speed) go 4.10's

If you want it quick (acceleration) go 3.73's

JCON 05-09-2012 06:37 PM

I'd like to point out that 4.10 gears in our 5-speeds (and with my 20" tires) at 6,250 rpms is over 180mph. How often are you going to hit that top end? Also how many can hit that?

RyansWhipple 05-09-2012 07:09 PM

Quote:

Originally Posted by JCON (Post 7936250)
I'd like to point out that 4.10 gears in our 5-speeds (and with my 20" tires) at 6,250 rpms is over 180mph. How often are you going to hit that top end? Also how many can hit that?

^^^

3.73's

JCON 05-09-2012 07:25 PM

Quote:

Originally Posted by RyansWhipple (Post 7936291)
^^^

3.73's

BTW higher gears give you faster acceleration, not lower. 3.73's in my car would gear out at 200mph.


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