3.55 vs 3.73 vs 4.10 Gear Ratios For The S197

06GTMustang89 · November 21st, 2007, 01:42 AM

from the ford dealer yeah and i hope they don't say 500 cuz ill do it myself if it costs that much thats bullshit. I know how to do it and have done it before but would rather have it done professionally. 350 sounds pretty reasonable but 500 is steep hahaha

leebunnyz · November 21st, 2007, 01:52 AM

i have 4.10's, they have been sitting in my room for about 3-months now. i was getting ready to get rid of them because i decided to to F/I but decided to keep thme and just get taller tires. now im just saving up to install the mofos!

Modern_Muscle · November 21st, 2007, 01:56 AM

Originally Posted by RStrick0352

I think 3.73's are as low as you need to go with these cars. I'm by no means makin big power but I am running consistent high 1.6 low 1.7 60 foots. I can understand 4.10's for the auto's but 3.73 is plenty for the manuals. Plus I'm still getting mid 20's mpg highway fuel economy, HA, I love these cars.

Actually, both of us having 5 speeds, manuals and autos, 4.10s are healthy for both.
if it were a 4 speed, 3.73's would be the way to go auto.
I have 4.10s, and notice better in town mileage, and a tad lower highway, mostly because of my tune.

silverstang05 · November 21st, 2007, 03:22 PM

I want the 3.73's!

TheUNZippee! · November 23rd, 2007, 12:33 PM

Great write up, GTM.

Thanks man.

wadman · November 25th, 2007, 03:32 PM

Take it from one who has wasted alot of money changing things back and forth. If your going to leave it n/a and have a manual with stock height tires go 4.10. If a turbo or s/c is in the future leave in the 3.55. I found out that turbo 285 35-18 drag radials and 4.10 gears are to much for the street. Its on the verge of not being fun to drive on the interstate. The guys making turbos will tell you to run the stock gears. If you wont the feel of a old muscle car with 4.11 gears and a 3spd auto the go for my old combo.

Mrbonesaw · November 26th, 2007, 03:00 PM

Originally Posted by 06GTMustang89

i guess no one else really appreciates these numbers

Very nicely done. Wonder what the 0-60 mph comparison would be?... anyone???

06GTMustang89 · November 26th, 2007, 11:03 PM

no rep points for doin all that math sheesh hahahah jk even having done that i still dont know if i want 373's or 410's hahaha thats sad

leebunnyz · November 27th, 2007, 12:36 AM

4.10's BITCH!

2k05gt · November 29th, 2007, 07:52 AM

I'd go 4.10's if you plan on staying NA.. If you plan on a Supercharger or turbos in the future then do not go over 3.73

silverstang05 · November 29th, 2007, 10:23 AM

If my redlines at 6500 what do you think my 4th gear will end at with 4.10's? 120?

06GTMustang89 · November 30th, 2007, 01:48 PM

126.1 MPH with 4.10s at 6500RPM in 4th gear

silverstang05 · December 1st, 2007, 01:46 PM

Thanks man! Im trying to think if i get cams and valve springs can i rev to 7k? I want my topend to be someone decent.

leebunnyz · December 1st, 2007, 02:24 PM

Originally Posted by silverstang05

Thanks man! Im trying to think if i get cams and valve springs can i rev to 7k? I want my topend to be someone decent.

im pretty sure with cams taller gears are recommended.

06GTMustang89 · December 1st, 2007, 02:30 PM

3.73 for a futer S/C or 4.10's if your stayin N/A

Im going 3.73 because in about 2 years when im out of college i will be able to afford one hahaha KENNE BELL biatches hehe

Nothin like a 450rwhp mustang DD that still gets good mpg hahah

Foxlynam · December 2nd, 2007, 07:13 PM

Well, let me ask this then:

I realize that 4.10's are pretty much the accepted gear to use if you are N/A but,

What if you aren't going to be taking it to the track or doing any "serious" drag raing? I have the 3.31's (not sure how those slipped into the car) and I am definitely going to beef them up asap, but my car is more of a daily driver/weekend toy and all I relaly need is enough gitupandgo to put the average ricer in their place etc.

So, wouldn't 3.73's be sufficient? Seems like 4.10's pretty much eliminate the need for 1st gear. :-)

06GTMustang89 · December 2nd, 2007, 07:37 PM

haha yeah i would put 3.73's for good overall performance your going to see a HUGE difference from 3.31's...the 08 Bullitt has 3.73's stock and Ford says thats where the biggest performance difference is

VaporS197 · December 6th, 2007, 04:31 PM

This is actually a great thread. Thanks for working it up!

Gearing was actually the last mod I would've ever thought to do up until a few nights ago when I read this, and something in 5.0 mag also mentioned to go to 4.10s. I'm still not sure which gears either, though haha

06GTMustang89 · December 6th, 2007, 11:17 PM

Anyone DD with 4.10's?? and how do they like it??

06GTMustang89 · December 7th, 2007, 01:28 PM

anybody?

November 21st, 2007, 01:42 AM	#21
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	from the ford dealer yeah and i hope they don't say 500 cuz ill do it myself if it costs that much thats bullshit. I know how to do it and have done it before but would rather have it done professionally. 350 sounds pretty reasonable but 500 is steep hahaha __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

November 21st, 2007, 01:52 AM	#22
leebunnyz Hardcore Enthusiast Join Date: Feb 2007 Location: Vineland, NJ Posts: 2,214	i have 4.10's, they have been sitting in my room for about 3-months now. i was getting ready to get rid of them because i decided to to F/I but decided to keep thme and just get taller tires. now im just saving up to install the mofos! __________________ FRPP Stingers, Hurst Shifter, Pypes O/R H-pipe, JLTCAI, XCal2, Eibach Prokit, Steeda UDP, 18" Black Bullitts Wheels, 305/35/18 Nitto Drags, 8000k HIDs, GT500 Spolier, Shelby GT grill Hurst Crew member #1 of 15 "The Founder Of Crews"

November 21st, 2007, 03:22 PM	#24
silverstang05 Regular Join Date: Aug 2007 Location: Delray Beach Posts: 196	I want the 3.73's! __________________ 2005 Mustang GT -STS single turbo kit 478whp/465wtq @10psi -Fidanza 4.3 clutch Should i use my race gas tune i have?? http://i104.photobucket.com/albums/m...er7/stang3.jpg

November 25th, 2007, 03:32 PM	#26
wadman Regular Join Date: May 2007 Posts: 108	gears Take it from one who has wasted alot of money changing things back and forth. If your going to leave it n/a and have a manual with stock height tires go 4.10. If a turbo or s/c is in the future leave in the 3.55. I found out that turbo 285 35-18 drag radials and 4.10 gears are to much for the street. Its on the verge of not being fun to drive on the interstate. The guys making turbos will tell you to run the stock gears. If you wont the feel of a old muscle car with 4.11 gears and a 3spd auto the go for my old combo.

November 26th, 2007, 11:03 PM	#28
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	no rep points for doin all that math sheesh hahahah jk even having done that i still dont know if i want 373's or 410's hahaha thats sad __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

November 27th, 2007, 12:36 AM	#29
leebunnyz Hardcore Enthusiast Join Date: Feb 2007 Location: Vineland, NJ Posts: 2,214	4.10's BITCH! __________________ FRPP Stingers, Hurst Shifter, Pypes O/R H-pipe, JLTCAI, XCal2, Eibach Prokit, Steeda UDP, 18" Black Bullitts Wheels, 305/35/18 Nitto Drags, 8000k HIDs, GT500 Spolier, Shelby GT grill Hurst Crew member #1 of 15 "The Founder Of Crews"

November 29th, 2007, 07:52 AM	#30
2k05gt Regular Join Date: Mar 2006 Location: Northern Virgina Posts: 159	I'd go 4.10's if you plan on staying NA.. If you plan on a Supercharger or turbos in the future then do not go over 3.73 __________________ 12.415 @ 109.35 1.845 60'

November 29th, 2007, 10:23 AM	#31
silverstang05 Regular Join Date: Aug 2007 Location: Delray Beach Posts: 196	If my redlines at 6500 what do you think my 4th gear will end at with 4.10's? 120? __________________ 2005 Mustang GT -STS single turbo kit 478whp/465wtq @10psi -Fidanza 4.3 clutch Should i use my race gas tune i have?? http://i104.photobucket.com/albums/m...er7/stang3.jpg

November 30th, 2007, 01:48 PM	#32
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	126.1 MPH with 4.10s at 6500RPM in 4th gear __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

December 1st, 2007, 01:46 PM	#33
silverstang05 Regular Join Date: Aug 2007 Location: Delray Beach Posts: 196	Thanks man! Im trying to think if i get cams and valve springs can i rev to 7k? I want my topend to be someone decent. __________________ 2005 Mustang GT -STS single turbo kit 478whp/465wtq @10psi -Fidanza 4.3 clutch Should i use my race gas tune i have?? http://i104.photobucket.com/albums/m...er7/stang3.jpg

December 1st, 2007, 02:30 PM	#35
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	3.73 for a futer S/C or 4.10's if your stayin N/A Im going 3.73 because in about 2 years when im out of college i will be able to afford one hahaha KENNE BELL biatches hehe Nothin like a 450rwhp mustang DD that still gets good mpg hahah __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

December 2nd, 2007, 07:13 PM	#36
Foxlynam Regular Join Date: Jan 2007 Location: San Diego CA Posts: 56	Well, let me ask this then: I realize that 4.10's are pretty much the accepted gear to use if you are N/A but, What if you aren't going to be taking it to the track or doing any "serious" drag raing? I have the 3.31's (not sure how those slipped into the car) and I am definitely going to beef them up asap, but my car is more of a daily driver/weekend toy and all I relaly need is enough gitupandgo to put the average ricer in their place etc. So, wouldn't 3.73's be sufficient? Seems like 4.10's pretty much eliminate the need for 1st gear. :-) __________________ "Speed's just a question of money. How fast do you wanna go?"

December 2nd, 2007, 07:37 PM	#37
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	haha yeah i would put 3.73's for good overall performance your going to see a HUGE difference from 3.31's...the 08 Bullitt has 3.73's stock and Ford says thats where the biggest performance difference is __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

December 6th, 2007, 04:31 PM	#38
VaporS197 Regular 2008 Mustang GT Join Date: Nov 2007 Location: Baltimore Posts: 147	This is actually a great thread. Thanks for working it up! Gearing was actually the last mod I would've ever thought to do up until a few nights ago when I read this, and something in 5.0 mag also mentioned to go to 4.10s. I'm still not sure which gears either, though haha __________________ 2008 Mustang GT 5-speed

December 6th, 2007, 11:17 PM	#39
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	Anyone DD with 4.10's?? and how do they like it?? __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

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06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,525	anybody? __________________ 2006 GT : 5spd : BBK LT Headers w/ o/r x pipe : JLT CAI : 93 octane tune : Flowmasters : Hurst Shifter : Steeda Lower & Upper arms : 325/45r17 M&H's for the track : CHE K-Member/Torque Limiter : 4.10's Hurst Crew Member #3 Co-Founder

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