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rear end

This is a discussion on rear end within the Drivetrain forums, part of the LSx Technical Help Section category; does anyone know what the hp rating is for the rear end in a 2002 trans am? also the transmission? ...

  1. #1
    Junior Member kamahlwolf's Avatar
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    2002 pontiac trans am ws6

    rear end

    does anyone know what the hp rating is for the rear end in a 2002 trans am? also the transmission? i want to put a cam and intake on my car but am afraid that it will not support that and my other mods. i already have 425. please let me know. thanks

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    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
    2001 Camaro SS

    No real HP rating to rely on, but people end up with broken rear ends off of stock HP
    Is you car an auto or M6?

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    What I do? SHines-IT's Avatar
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    2011 Prius

    Yep, the 10 Bolt rear end is pretty weak... You may or may not be find. But if you plain to run that rear end for some time, look into some SFC's to try and eliminate wheel hop.

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    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
    2001 Camaro SS

    If you have an auto save up some money for at least a 12-bolt
    if its a 6 speed you'll be better off with a 9-inch

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    Member godless-phoenix's Avatar
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    Blackened fire chicken
    2000 Pontiac Trans Am WS6

    hello people's! my 1st post...i still have the stock rear end, had problems with it when i 1st bought the car a couple years back, but i purchased a mac rear end girdle, umi boxed style weld in subframe connectors,umi control arms , and umi panhard bar, no problems since i had my rear end over hauled and all those upgrades, BUT if you have a 6 speed i would get a 12 bolt 9 inch, those axles are bullet proof man!

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    Senior Member tatertot91's Avatar
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    Quote Originally Posted by godless-phoenix View Post
    hello people's! my 1st post...i still have the stock rear end, had problems with it when i 1st bought the car a couple years back, but i purchased a mac rear end girdle, umi boxed style weld in subframe connectors,umi control arms , and umi panhard bar, no problems since i had my rear end over hauled and all those upgrades, BUT if you have a 6 speed i would get a 12 bolt 9 inch, those axles are bullet proof man!
    Welcome to the site
    Yup, stock 10-bolt is garbage
    I'm just trying to hold out til i can afford the 12-bolt
    Last edited by tatertot91; 01-20-2010 at 06:07 PM.

  7. #7
    Member godless-phoenix's Avatar
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    Blackened fire chicken
    2000 Pontiac Trans Am WS6

    yes, yes it really is garbage since it cost an arm and a leg to fix, but itll do since im just a daily driver...seems to be fine with the rear end girdle though...

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    Member anniversary30's Avatar
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    White/Blue
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    Go 9". Mine is rock solid. 5g hole shots, no worries!!!

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by anniversary30 View Post
    Go 9". Mine is rock solid. 5g hole shots, no worries!!!
    What tires?

  10. #10
    Junior Member kamahlwolf's Avatar
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    2002 pontiac trans am ws6

    it is a 6 speed and ia was thinking of just thinking of going with a stronger internal components. (richmond gears, and axles) no? how much is a 9" rearend going to coast me?

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    Quote Originally Posted by kamahlwolf View Post
    it is a 6 speed and ia was thinking of just thinking of going with a stronger internal components. (richmond gears, and axles) no? how much is a 9" rearend going to coast me?
    You would be throwing your $$$$ away. Start saving for a 9".

    9" is in the $2500 range depending on options like carrier choice, axles and if you go 3 or 4 channel...

  12. #12
    Junior Member kamahlwolf's Avatar
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    black
    2002 pontiac trans am ws6

    is there a website that i can buy it from?

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    Quote Originally Posted by kamahlwolf View Post
    is there a website that i can buy it from?
    TSP, EPP, Midwest Fab there a lots to choose from. I am prolly going Currie Axle because I can get one for dealer cost.

    I am not posting links since not everyone I listed is a sponsor....

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    WHITE
    2002 Z28

    rear-end web-site

    Exotic Performance Plus does a lot of 9" rear-end builds, they list their prices on line. they use a lot of parts from Moser Engineering.

  15. #15
    Moderator 35th-ANV-SS's Avatar
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    I got my 9" from EPP.

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    '02 WS.6 / '07 Suburban

    I struggled with this decision last month. There is a lot of good information in this thread: How to pick a rear?

  17. #17
    Resident Mississippian BdAsBrd01's Avatar
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    2001 Trans Am

    Quote Originally Posted by godless-phoenix View Post
    hello people's! my 1st post...i still have the stock rear end, had problems with it when i 1st bought the car a couple years back, but i purchased a mac rear end girdle, umi boxed style weld in subframe connectors,umi control arms , and umi panhard bar, no problems since i had my rear end over hauled and all those upgrades, BUT if you have a 6 speed i would get a 12 bolt 9 inch, those axles are bullet proof man!
    Welcome! Stock rear end is totally worthless, I just had the axle seal replaced (again) last week on mine. I'm saving for some mods now but the rear is total crap, second on my list to get upgraded.

  18. #18
    Junior Member kamahlwolf's Avatar
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    black
    2002 pontiac trans am ws6

    is there a less expensive route? not only that i dont really want to be pulling my rearend out. kinda a pain.

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    Quote Originally Posted by kamahlwolf View Post
    is there a less expensive route? not only that i dont really want to be pulling my rearend out. kinda a pain.

    There is SUPOSSEDLY a guy around somewhere who fabs up Ford 8.8" rears to work but I have not found him yet.... I am very interested in this though and if anybody knows him let me know.....

  20. #20
    Junior Member kamahlwolf's Avatar
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    2002 pontiac trans am ws6

    there is a company in california that sells the parts to beef u your rear end to support 550hp. i am looking into it now. i am not sure if it is only for older gen cars

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