3.55 vs 3.73 vs 4.10 Gear Ratios For The S197

06GTMustang89 · November 19th, 2007, 12:02 PM

Gears are the hot topic for us S197 guys right now so heres some good info hopefully answers a lot of questions.....

ok so i read the thread in the 99-04 section 3.27 vs 3.73 vs 4.10 (Took A Couple Hrs 2 Complete... Enjoy)

and though wow thats good info, but has anyone done that for our S197 yet?? Nope no one sure hasn't and I'm bored out of my mind and also enjoy crunching the numbers so here it is fella's hope you enjoy... oh this is with 255/45R18's with the tremec 3650 5 speed manual (PLEASE MAKE THIS A STICKY

)

MPH @ 6,000 RPM (Peak HP)

..................3.55..........3.73...........4.1 0

1rst............39.66.........37.74..........34.34

2nd............67.02..........63.79..........58.03

3rd............101.55.........96.65..........87.93

4th............134.05.........127.58........116.07

5th............197.14.........187.63........170.69

MPH @ 4,400 RPM (Peak Torque)

....................3.55..........3.73.......... 4.10

1rst..............29.08....... 27.68......... 25.18

2nd..............49.15....... 46.78......... 42.56

3rd...............74.47....... 70.88......... 64.48

4th...............98.30........93.56..........85.1 2

5th..............144.57.......137.59........125.17

........................................3.55...... ........3.73...............4.10

RPM@80mph 5th gear.........2,434.75........2,558.20..........2,8 11.96

RPM@65mph 5th gear.........1,978.23........2,078.53..........2,2 84.72

RPM@50mph 4th gear.........2,237.82........2,351.28..........2,5 84.52

I hope that ya'll enjoy this information as i know this was helpful to me on picking future gears.

06RedfireGT · November 19th, 2007, 12:58 PM

Good work. But I have an auto

I'll see that this gets stickied.

06GTMustang89 · November 19th, 2007, 04:31 PM

i guess no one else really appreciates these numbers

leebunnyz · November 19th, 2007, 05:57 PM

what gears do u think your gonna eventually be getting?

oldernewbie · November 19th, 2007, 06:38 PM

Interesting stuff and thanks for all the effort.

TASSY5 · November 19th, 2007, 08:07 PM

Awesome write up. Thanks for taking the time.

Moderator, <<<Make this a STICKY<<<

06GTMustang89 · November 19th, 2007, 10:29 PM

lee: ill prolly be getting 3.73's since i do highway driving about 45% of the time and its a happy medium between the 3.55's that i have now and the 4.10's. now if i were to be doing street driving like 80% of the time then i would go with 4.10's. I think 3.73's will be a good improvement overall.

ArmyStang07 · November 19th, 2007, 11:05 PM

Thanks for taking the time to write this up. I was looking for a comparison a few days ago on the web and couldn't find one.

leebunnyz · November 20th, 2007, 12:14 AM

Originally Posted by 06GTMustang89

lee: ill prolly be getting 3.73's since i do highway driving about 45% of the time and its a happy medium between the 3.55's that i have now and the 4.10's. now if i were to be doing street driving like 80% of the time then i would go with 4.10's. I think 3.73's will be a good improvement overall.

awesome, plan on going with a poweradder later on?

06GTMustang89 · November 20th, 2007, 12:51 AM

yeah a kenne bell in a couple years i only want about 450rwhp so i don't have to rebuild the bottom end haha

8t6gt · November 20th, 2007, 12:55 AM

Good info nice I think its cool you took the time to do that should help out alot of people

06GTMustang89 · November 20th, 2007, 01:04 AM

not a problem i enjoy crunching numbers like that i just think how amazing it is how much of a difference (number wise) that these lower gears make

302svt · November 20th, 2007, 01:12 AM

Great write up.

EfylSetaf · November 20th, 2007, 11:37 AM

Hey thanks for the numbers!

I was wondering what the differences between the 3.55 and 3.73 were. And yeah, I joined the forums just to thank you. = )

06GTMustang89 · November 20th, 2007, 11:47 AM

no problem man and WELCOME!! youll love it here

RStrick0352 · November 20th, 2007, 08:37 PM

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.

menace07 · November 21st, 2007, 12:55 AM

Thanks for the right up! I was dead set on 4.10's, but not so sure now. Plan on s/c or turbo, so maybe 3.73's...You guys think its worth the money to step up one gear size?

06GTMustang89 · November 21st, 2007, 12:56 AM

do 3.73's with a power adder like that they hate 4.10's hahaha

06GTMustang89 · November 21st, 2007, 01:38 AM

how much is a gear install usually?

leebunnyz · November 21st, 2007, 01:40 AM

200-500

November 19th, 2007, 12:02 PM	#1
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	3.55 vs 3.73 vs 4.10 Gear Ratios For The S197 Gears are the hot topic for us S197 guys right now so heres some good info hopefully answers a lot of questions..... ok so i read the thread in the 99-04 section 3.27 vs 3.73 vs 4.10 (Took A Couple Hrs 2 Complete... Enjoy) and though wow thats good info, but has anyone done that for our S197 yet?? Nope no one sure hasn't and I'm bored out of my mind and also enjoy crunching the numbers so here it is fella's hope you enjoy... oh this is with 255/45R18's with the tremec 3650 5 speed manual (PLEASE MAKE THIS A STICKY ) MPH @ 6,000 RPM (Peak HP) ..................3.55..........3.73...........4.1 0 1rst............39.66.........37.74..........34.34 2nd............67.02..........63.79..........58.03 3rd............101.55.........96.65..........87.93 4th............134.05.........127.58........116.07 5th............197.14.........187.63........170.69 MPH @ 4,400 RPM (Peak Torque) ....................3.55..........3.73.......... 4.10 1rst..............29.08....... 27.68......... 25.18 2nd..............49.15....... 46.78......... 42.56 3rd...............74.47....... 70.88......... 64.48 4th...............98.30........93.56..........85.1 2 5th..............144.57.......137.59........125.17 ........................................3.55...... ........3.73...............4.10 RPM@80mph 5th gear.........2,434.75........2,558.20..........2,8 11.96 RPM@65mph 5th gear.........1,978.23........2,078.53..........2,2 84.72 RPM@50mph 4th gear.........2,237.82........2,351.28..........2,5 84.52 I hope that ya'll enjoy this information as i know this was helpful to me on picking future gears. __________________ 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 Last edited by drgnracin72 : November 21st, 2007 at 12:40 PM.

November 19th, 2007, 04:31 PM	#3
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	i guess no one else really appreciates these numbers __________________ 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 19th, 2007, 05:57 PM	#4
leebunnyz Hardcore Enthusiast Join Date: Feb 2007 Location: Vineland, NJ Posts: 2,237	what gears do u think your gonna eventually be getting? __________________ 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 19th, 2007, 06:38 PM	#5
oldernewbie Enthusiast MODERATOR OVERLOOKER Join Date: Jul 2006 Location: Dixie (100% Whoop Ass) Posts: 646	Interesting stuff and thanks for all the effort. __________________ In-A-Gadda-Da-V8...Iron Butterfly

November 19th, 2007, 08:07 PM	#6
TASSY5 Regular 2007 Alloy GT Join Date: Dec 2006 Location: Kenner, Louisiana Posts: 128	Awesome write up. Thanks for taking the time. Moderator, <<<Make this a STICKY<<< __________________ 2007 Alloy GT. 5 speed, Spydershaft, MGW shifter, 3.55 gears, Sequential tail lights, C 300 Cervini's Full Body Kit, CDC Hood Struts, Whipple HO.SC. 468 SAE RWHP 450.44 RWTQ

November 19th, 2007, 10:29 PM	#7
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	lee: ill prolly be getting 3.73's since i do highway driving about 45% of the time and its a happy medium between the 3.55's that i have now and the 4.10's. now if i were to be doing street driving like 80% of the time then i would go with 4.10's. I think 3.73's will be a good improvement overall. __________________ 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 19th, 2007, 11:05 PM	#8
ArmyStang07 Newbie Join Date: Oct 2007 Location: Fort Knox, KY/ Beckley, WV Posts: 45	Thanks for taking the time to write this up. I was looking for a comparison a few days ago on the web and couldn't find one. __________________ 2007 Mustang GT 10 psi Whipple S/C HO kit, FRPP 3.73's Steeda Tri-Ax Shifter Coast Driveline Alum Driveshaft PWR Alum Radiator, BMR U/L Control Arms Mac O/R ProChamber, SLP LM's SOS gauge pods, AutoMeter Nexus gauges Raptor Shift Light Sequential T/L's, Stripes, Tint

November 20th, 2007, 12:51 AM	#10
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	yeah a kenne bell in a couple years i only want about 450rwhp so i don't have to rebuild the bottom end haha __________________ 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 20th, 2007, 01:04 AM	#12
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	not a problem i enjoy crunching numbers like that i just think how amazing it is how much of a difference (number wise) that these lower gears make __________________ 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 20th, 2007, 01:12 AM	#13
302svt Regular Join Date: Nov 2007 Location: Eastern, KY Posts: 75	Great write up.

November 20th, 2007, 11:37 AM	#14
EfylSetaf Enthusiast 2008 Mustang GT Join Date: Nov 2007 Location: St. Chuck, IL Posts: 657	Hey thanks for the numbers! I was wondering what the differences between the 3.55 and 3.73 were. And yeah, I joined the forums just to thank you. = )

November 20th, 2007, 11:47 AM	#15
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	no problem man and WELCOME!! youll love it here __________________ 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 20th, 2007, 08:37 PM	#16
RStrick0352 Regular 2007 Mustang GT 12.49 @ 105.67 Join Date: Apr 2007 Location: Jacksonville, NC Posts: 306	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. __________________ GT 5sp Grabber Orange For mods check my garage. 317 rwhp, 339 rwtrq Naturally Aspirated 409 rwhp, 465 rwtrq 100 Shot Times are still from N/A unfortunately 60ft: 1.6849 1/4: 12.4969@105.67

November 21st, 2007, 12:55 AM	#17
menace07 Regular Join Date: Sep 2007 Posts: 348	Thanks for the right up! I was dead set on 4.10's, but not so sure now. Plan on s/c or turbo, so maybe 3.73's...You guys think its worth the money to step up one gear size?

November 21st, 2007, 12:56 AM	#18
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	do 3.73's with a power adder like that they hate 4.10's 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

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November 21st, 2007, 01:38 AM	#19
06GTMustang89 Hardcore Enthusiast 2006 Mustang GT 12.85 @ 104.85mph before 4.10's Join Date: Sep 2007 Location: North Carolina Posts: 1,528	how much is a gear install usually? __________________ 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, 01:40 AM	#20
leebunnyz Hardcore Enthusiast Join Date: Feb 2007 Location: Vineland, NJ Posts: 2,237	200-500 __________________ 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"