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3:73???????

This is a discussion on 3:73??????? within the Camaro / SS forums, part of the Vehicle Specific category; i got a 02 ss m6 with the stock 3:42 rear end, i want to know whats better 3:73 or ...

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    Member turyg ls1's Avatar
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    3:73???????

    i got a 02 ss m6 with the stock 3:42 rear end, i want to know whats better 3:73 or 4:10. not looking for extreme drag or any thing just something with a little more launch. already have lt's stage 3 rear end with locker and centerforce dual friction and a couple other little things. any advise would be helpful.

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    Moderator 35th-ANV-SS's Avatar
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    You aren't going to see that much of a difference going to a lower gear like a 3.73 from a 3.42 IMO.

    I have a 4.11 gear and I like it a lot.
    It's on jackstands.

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    megs 02sunsetorangeZ's Avatar
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    i think its personal preference, well i think i might be the only guy in here that doesnt like 4.10's really lol. i just put 3.73s in my m6 this week. i love them i can tell a difference for sure. Its not as big as a difference as 4.10s would be but i couldnt be happier. I say try and get your hands on some cars that have some and just see what you like.

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    Senior Member 98maro's Avatar
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    my z was an m6 stock gears.. on my ss m6 i went for 3.73s not much of a difference if u want to fee a difference go for 4.10s.. i had my 3.73s 4000 miles ago n im goin for 4.10s when i get the bolt ons..
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    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    You aren't going to see that much of a difference going to a lower gear like a 3.73 from a 3.42 IMO.

    I have a 4.11 gear and I like it a lot.

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    We'll be back... GatorSS's Avatar
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    I installed a 3.73 several years ago. Not a huge difference, but definitely a noticeable one (mathematically it's a 9% difference). Like others have said, it depends on what kind of driving for which you use (or will use) your car. I drive a great deal on the interstates, so I didn't want to go too radical. But if you are going to be drag racing, obviously you would want a 4.10 (or 4.11).

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    Senior Member Too Fast's Avatar
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    From what I've read here, you wouldn't be happy unless you got the 4.10s. I will change mine at some point. Most people who've made the switch say they lose about 1 MPG highway.

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    Import Killer SLP00blueSS's Avatar
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    I agree if you decide to go 373 save your money! its not enough of a difference IMO. Its been said that 390 is the perfect ratio for our M6 cars. However they are not made for a stock axle I have a 410 and LOVE it... didnt lose much MPG (not enough to make the decision different) good luck!

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    Quote Originally Posted by SLP00blueSS View Post
    I agree if you decide to go 373 save your money! its not enough of a difference IMO. Its been said that 390 is the perfect ratio for our M6 cars. However they are not made for a stock axle I have a 410 and LOVE it... didnt lose much MPG (not enough to make the decision different) good luck!
    Motive makes 3.90's for the 7.5" 10 bolt, ask me how I know ?

    Whether it's the perfect ratio for F-bodies or not I couldn't tell ya.
    I can say that it does make a significant increase in acceleration with only a 200 rpm difference at cruise speeds, also my fuel mileage didn't change at all.
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    Senior Member MrMasterCraft's Avatar
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    Quote Originally Posted by 9T8W66 View Post
    Motive makes 3.90's for the 7.5" 10 bolt, ask me how I know ?

    Whether it's the perfect ratio for F-bodies or not I couldn't tell ya.
    I can say that it does make a significant increase in acceleration with only a 200 rpm difference at cruise speeds, also my fuel mileage didn't change at all.
    EDIT: Dumb question. I see you're an M6. So you went from 3.42s to 3.90s. Thats .48 of a difference. Almost exactly the same difference as my 2.73s compared to my 3.23s, which is a .50 difference. And it's exactly a 200RPM difference. But my fuel mileage is totally different between the two cars
    Last edited by MrMasterCraft; 01-09-2011 at 04:18 PM.

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    Quote Originally Posted by 9T8W66 View Post
    Motive makes 3.90's for the 7.5" 10 bolt, ask me how I know ?

    Whether it's the perfect ratio for F-bodies or not I couldn't tell ya.
    I can say that it does make a significant increase in acceleration with only a 200 rpm difference at cruise speeds, also my fuel mileage didn't change at all.
    did you have any gear whine or noise with the motive gears?

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    Firebird Encyclopedia 9T8W66's Avatar
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    Quote Originally Posted by davidz28 View Post
    did you have any gear whine or noise with the motive gears?
    I won't lie to you, it's not dead quiet like the stock setup was but it's not really noisy either.

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    Junior Member Pimplaps's Avatar
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    Thumbs up

    I'm the one who asked the question but i couldn't log in so i used my friend turygls1 to ask. So i guess its going to be the 4:10's then. appreciate all the feed back, now I'm not torn between the two gears.

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    Member turyg ls1's Avatar
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    So 4:10's it is....

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    Senior Member Too Fast's Avatar
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    Quote Originally Posted by Pimplaps View Post
    I'm the one who asked the question but i couldn't log in so i used my friend turygls1 to ask. So i guess its going to be the 4:10's then. appreciate all the feed back, now I'm not torn between the two gears.
    Well, you must give us a review when the deed is done. If you don't, we will find you and then we go to your house for a day of free beer.

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    ArtistFormerlyKnownAsMac Silver Streak's Avatar
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    Quote Originally Posted by Too Fast View Post
    Well, you must give us a review when the deed is done. If you don't, we will find you and then we go to your house for a day of free beer.

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    Member fastt's Avatar
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    I have a A4 and i went with a 373, but sense you have a m6 you might wont to try a 410 i believe you well like it better .

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    Junior Member Pimplaps's Avatar
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    I will post results and hey cold ones anytime!

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