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4.10 gears installed today on my 13 v6

14K views 70 replies 23 participants last post by  powerwhee 
#1 ·
What a difference! Glad I didn't choose the 3.73 gears!

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#6 ·
Auto or manual? Also what year?

2013 V6, Candy apple metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,painted side mirrors covers,upper and lower black billet grille,pony projection lights,boss 302 strut tower brace,barton shifter bracket,Airaid Cai,bama tuned,bbk shorty headers,Roush AB.
 
#9 ·
Chill out man. This is a tech area and details about your car are important to know. You are excited about your mod and others would like to know what transmission is in your car. If I had an auto and was trying to decide what gears I wanted to go with this info is nice to know .:thumb:
 
#12 ·
I'm not upset with anybody lol. There is always that one guy thought that wants to make a smart comment though. Feel free to ask any questions about my set up! If it was a manual yall are right I would go 3.73.

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#13 ·
With an auto and 4.10 just be prepared to only run about 65 at the most on the interstate. I drive i20 from my house to work but running only 65 doesn't bother me. I will probably be annoying when I go out of town, which isn't that often, but other than that I love them. Put it in sport mode and it's freakin fun to drive!

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#15 ·
I really wanted the 4,10s, but I hear its just way too much for a manual so I'm going with the 3.73s.

2013 V6, Candy apple metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,painted side mirrors covers,upper and lower black billet grille,pony projection lights,boss 302 strut tower brace,barton shifter bracket,Airaid Cai,bama tuned,bbk shorty headers,Roush AB.
 
#16 ·
MT82 first gear is 4.23 and with a 3.73 your looking at 15.7779 gear multiplication. With a stock 4.23 x 2.73 it's 11.547 with the same size, stock tire. You'll be shifting in 20' from a light. 3.73 is fine if you run a 28" drag radial. The MT82 has some real steep gears. Think it over. Tire diameter means a lot.
 
#19 ·
I'm running 245/45/19 pirelli p zeros OD of 27.7".

2013 V6, Candy apple metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,painted side mirrors covers,upper and lower black billet grille,pony projection lights,boss 302 strut tower brace,barton shifter bracket,Airaid Cai,bama tuned,bbk shorty headers,Roush AB.
 
#17 ·
black12 is correct tire diameter aka tire height will change your gear ratio. I will give you an example my stock tires were 28" diameter my new tires are 29" they made my 3.73 gears act almost like 3.55 gears the bigger tires brought my gear ratio down to 3.60. Thats why I had to upgrade to 410 gears. you can go on tirerack.com and look up your tire to get the tire diameter and even revs per mile for changing that out in your tuner after the new gear change.
 
#18 ·
I'm going with the 3.73 and I do have an auto . I currently have 2.73 and I hear that's a day and night difference. I plan to supercharge one day and I'm thinking 4.10 on a supercharger will be too much let alone driving it now without a super charger. 3.73 just seems to have the best balance.

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#21 ·
I have a 2014 mustang v6 with a bunch of mods. I'm having a new drive shaft out in and want to do gears. How involved is that for instal? Is it a lot of shop hours? Also it have a 6 speed manual and don't know what gears to go with. Will the 4.10 give me more pulling power off the line or when I get on it going down the road? Will either size gear work without other modifications to the car? I have a Bama tuner that I can adjust the gear size in. Does the new gears work with the rest of the rear end without issues?

Land vehicle Vehicle Car Hood Tire
 
#23 ·
I have a 2014 mustang v6 with a bunch of mods. I'm having a new drive shaft out in and want to do gears. How involved is that for instal? Is it a lot of shop hours? Also it have a 6 speed manual and don't know what gears to go with. Will the 4.10 give me more pulling power off the line or when I get on it going down the road? Will either size gear work without other modifications to the car? I have a Bama tuner that I can adjust the gear size in. Does the new gears work with the rest of the rear end without issues?

View attachment 149426
gears are one of the few mods that just about everyone agrees that a professional should do.
 
#22 ·
I put 3.73s in my V6 and love the change it made. Still get about 25mpg hwy. It's an auto. I put 4.10s in my GT and also love them. It's also an auto. Mpgs are between 18-20 around town. I have no problems however driving 75-80 on the intersates. 80mph is around 2800rpm.Have only taken one highway trip and it got about 21.5mpg.
 
#24 ·
Yes gears is something a professional should do. I had the ford dealership put mine in. If u have a 6 speed u need to go with 3.73 gears.

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---------- Post added at 03:24 AM ---------- Previous post was at 03:24 AM ----------

And I did not change my driveshaft.

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#27 ·
From what people say it makes 1st almost useless (too short) with 4.10s.

2013 V6, Candy apple metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,painted side mirrors covers,upper and lower black billet grille,pony projection lights,boss 302 strut tower brace,barton shifter bracket,Airaid Cai,bama tuned,bbk shorty headers,Roush AB.
 
#26 · (Edited)
I have an 11 V6 auto and decided on 3:73 gears. Love them and huge difference from my old 2:73 gears. 99% of my driving is highway and I'm still getting 26 mpg highway with all my other mods. If someone has an automatic then either 3:73 or 4:10 gears , you can't go wrong. OP, congrats on your new gear install and enjoy your new found power, non power adder. Lol

I totally agree gear installs should be done by the professionals or at least someone who really knows what their doing. Lol
 
#29 · (Edited)
I think that really depends on your traction or possible lack there of. I personally didn't and don't have traction issues in regard too tire spin with my 3:73 gears and factory Michelin 17 inch tires. Now granted I did have a good amount of wheel hop when nailing it from a dead stop but that little issue was solved when I installed a pair of LCA's.

Depending on your traction issues, 4:10's may hurt your 1/4 mile times. It seems that people here with manual transmissions are the ones having all these traction issues with tires spinning. Not us auto guys or at least not me.
 
#30 ·
The 4.10 will not hurt your 1/4 times lol. If I was going to build a fully built drag v6 I would use 4.56 gears and circle d converter

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---------- Post added at 01:14 AM ---------- Previous post was at 01:13 AM ----------

Unless u spin a lot like Kona said haha.

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#32 ·
In a 6 spd car, 4.10s will hurt your ¼ mile times as the car will be in the middle of 4th gear instead of at the top of third with 3.31. Same with your 0 - 60 times. A car with 4.10s will be shifting into 3rd before 60 whereas a taller gear will still be in 2nd and thus faster.

With 4.56's, your car would be slower than a car with 3.31's as you would be in 5th gear thus overdrive before you ran through the beams. On stock size tires anyways.
 
#35 ·
Anyone's thoughts on 3.90s on a 13 manual?

2013 V6, Candy apple metallic.
Gt500 spoiler, Gt500 stripes,2010 Gt premium wheels, Pirelli tires,painted side mirrors covers,upper and lower black billet grille,pony projection lights,boss 302 strut tower brace,barton shifter bracket,Airaid Cai,bama tuned,bbk shorty headers,Roush AB.
 
#36 ·
Hey supersixx13

When you go to the drag strip "DO NOT RUN YOUR STREET TIRES IN THE WATER" Put 24/ 28 PSI in the rears and 38/40 in the fronts. Wet street tires are awful for traction.
With your rear ratio try starting in second gear and just do not totally floor it until the car gets moving. Then nail it.
When starting off in second with your automatic you will need to know when to shift it.
Try once to make a run with just putting it into drive and it will shift when it gets to top RPM. Still don't floor it until it gets moving and then nail it to the floor and just don't let up. It will shift when it needs to.
Ronnie
 
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