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4.10 gears good or bad idea

This is a discussion on 4.10 gears good or bad idea within the Drivetrain forums, part of the LSx Technical Help Section category; i was told by a mechanic that a bearing is going in my rear so i was thinking if i'm ...

  1. #1
    American Muscle
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    4.10 gears good or bad idea

    i was told by a mechanic that a bearing is going in my rear so i was thinking if i'm going to get that replaced i should just do 4.10 gears now instead of in the future. my car is a 6 speed but i am nervous i won't get any traction with street tires and if i use slicks i'll blow the rear. What do you guys think.

    Thanks Frank
    01 Formula M6 Dark BLue Metallic

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    12.51 1/4 @113 340rwhp 352rwtq

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    Heavy Set Thin Guy t/as&dds's Avatar
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    Depends what you drive like. Spinning the tires is easier with 4.10s and street tires. Slicks could contribute to blowing your rear. I have em and love em. If you're in there anyways, might as well.

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    cant go wrong with 4.10's. you will love them.

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    Story of My Life!! BIG D's SS's Avatar
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    I love my 4.10's with my 6 speed. WOuldn't take anything for them.
    3 inch Chambered Catback.

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    Evr sena bdgr killa snak? Roastem's Avatar
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    American Muscle
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    thanks guys now what brand of gears do you recomend and what installation kit

  7. #7
    Evr sena bdgr killa snak? Roastem's Avatar
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    I f*cked up a set of 4.10 gears that were in the car when I bought it, what brand, I don't know. The guy who fixed it put a high dollar set of gears in it (without permission). But, I have put a LOT of pressure on them, I haven't heard a peep. They aren't completely quiet, but quieter than the other set. I don't remember what brand, but I will try to find out. Can't be too many 400 dollar gear sets around.

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    Story of My Life!! BIG D's SS's Avatar
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    No one brand is better than the other. Just make sure they replace all the bearings and seals. Don't want any unnecessary noise. And make sure it is a reputable place that installs them.

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    Evr sena bdgr killa snak? Roastem's Avatar
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    And get a price before you give them your car.

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    Story of My Life!! BIG D's SS's Avatar
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    Quote Originally Posted by Roastem View Post
    And get a price before you give them your car.
    In writing!!!!!!!!!!!!!!!

  11. #11
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    I have Strange 4.10's and love them.

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    cool thanks guys

  13. #13
    4.10's are great. And yes it will be easier to spin the tires. I turn less RPM's at 6 with then then i did when i had my a4 with stop gears

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    Member cobrahunter's Avatar
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    Get the 4.10s. You will definately feel the difference! I still have the stock rear end, so no dumping the clutch off-the-line. But from a roll, even a slow roll, like, at a light, and I punch it...WOW! Let me just say, WOW!

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    What ind of difference have you notice in RPM vs. MPH. Mine stock now 6sp with 3:42s runs 88mph at 2000 RPMs in 6th gear. How much will that change with the 4:11s?

  16. #16
    Quote Originally Posted by ANUTT1 View Post
    What ind of difference have you notice in RPM vs. MPH. Mine stock now 6sp with 3:42s runs 88mph at 2000 RPMs in 6th gear. How much will that change with the 4:11s?
    around 60 in 6th its around 2000 RPM's..

  17. #17
    Heavy Set Thin Guy t/as&dds's Avatar
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    A good way to figure it is to mulitply your current RPM at a given speed and add 20% to it. I used to be a 1500 RPM at 65, now I'm around 1800 at the same speed. Going from 3.42:1 to 4.10:1 is a .68 difference, or 19.88% increase. You also have to figure using about 19.88% more gas too though...

  18. #18
    Here i found this...

    i've used it quite a bit. Just mess around with it and select what year you have at the top and it'll input everything in for you almost


    http://www.f-body.org/gears/

  19. #19
    Member cobrahunter's Avatar
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    With my 4.10s, about 75mph at 2000 RPM in 6th.

  20. #20
    kingls1
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    Quote Originally Posted by blky2kz View Post
    cant go wrong with 4.10's. you will love them.

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