GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

3.73 or 4.10? Which gears?

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Old Oct 23, 2009 | 10:49 PM
  #11  
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Yea daily driver untill i get out of college then im going to get a 5.0 and do a little something but untill then daily driver maybe a track car in NEARRRRR future
Old Oct 23, 2009 | 11:45 PM
  #12  
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Love my 4.10's. If you have an 06 with 3.55, the 3.73's are not much of an improvement. I have my car on the freeway pretty often, and I've never noticed any significant increase in RPM. Sure it's there, but nothing annoying.
Old Oct 24, 2009 | 12:21 AM
  #13  
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Once Spring rolls around, ill be going with 4.10s with my manual. But i will be using a 28" diameter tire to effectively reduce the 4.10s to about a 3.90. So with that i will still have good street manners, and then once i put my DRs on, which are close to the 27" diameter from the factory, i will be right back at my 4.10s for track use. Plus after doing the cams i feel i need the 4.10s to take full advantage of the cams for street/strip use.

Last edited by moburto07GT; Oct 24, 2009 at 01:04 AM.
Old Oct 24, 2009 | 11:36 AM
  #14  
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Originally Posted by moburto07GT
Once Spring rolls around, ill be going with 4.10s with my manual. But i will be using a 28" diameter tire to effectively reduce the 4.10s to about a 3.90. So with that i will still have good street manners, and then once i put my DRs on, which are close to the 27" diameter from the factory, i will be right back at my 4.10s for track use. Plus after doing the cams i feel i need the 4.10s to take full advantage of the cams for street/strip use.
i was originally thinking /gonna do the same thing ,because i thought i was gonna get 20's on , then 4:10's made perfect sense , but i ended up with 18's and a 26 "tire , so i ordered the 3:90's
Old Oct 24, 2009 | 11:42 AM
  #15  
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4:10s are they way to go, I absolutely love them. 3:73 you wont notice a huge difference from stock
Old Oct 24, 2009 | 01:06 PM
  #16  
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I will be putting 4.10's in my 06 auto. The majority of the opinions I have read on several forums is 3.73 if going FI, if NA then 4.10's.

patrick
Old Oct 25, 2009 | 11:40 AM
  #17  
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4.10's with a good converter and you will pick up almost half second.with a custom tune
Old Oct 25, 2009 | 02:34 PM
  #18  
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thats gotta be a hell of a change for autos going from 3:23's(not sure) to 4:10's!! thats gotta be like day and night!
Old Oct 25, 2009 | 02:36 PM
  #19  
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Well i guess ima find out im going to buy a 4.10 gear off of here from a guy and its not the motive gear cause heard bad things about those gears about being to loud so ima grab a gear from a guy on here for only $115
Old Oct 25, 2009 | 02:43 PM
  #20  
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excellent def. let us know how you like the change! 115 is pretty good ya especially if you have the oppurtunity to go frpp 4:10's seems like the company to go with! unfortunately, i want my damn 3:90's so i have to go with motive, mine will be installed tom night and will post and update



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