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what is the factory rear end

This is a discussion on what is the factory rear end within the Firebird / WS6 forums, part of the Vehicle Specific category; hello all, i just got a 00 trans am ram air ws6. i was just wonder if anyone knows what ...

  1. #1
    Junior Member rezor's Avatar
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    2000 trans am ram air ws6

    Talking what is the factory rear end

    hello all, i just got a 00 trans am ram air ws6. i was just wonder if anyone knows what the factory rear end is. I want to change mine was thinking 4.10 any info. The car was a one owner car and has 60k on it if i do change gears should i have whole rear end redone i guess the guy who owned it put a stage 2 clutch in it and i has a k&n but there are many things i want to do to this car i love it so any other info would help on mods too. thanks

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    2001 Pontiac Trans Am WS6

    WS6 with the M6 is 3.42. 4.10s is not a problem, just remember to have your speedo corrected.

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    Junior Member rezor's Avatar
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    2000 trans am ram air ws6

    can you correct speedo with a programmer?

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    2001 Pontiac Trans Am WS6

    Yes with a programmer (predator or hypertech) or LS1edit. I have a used Hypertech that I bought and used once. I would sell it for 150.00 shipped if you are interested. It is for a 2001 so you would have to research to see if it works for the 00 (I think so). I have LS1 edit now. I needed it for the headers w/o cats.

    Thanks,

    Gene

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    Junior Member rezor's Avatar
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    yeah i would be interested if it works for the 00 let me know

  6. #6
    Orig Regist: 9/98
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    1998 Trans Am WS6 'Vert

    Quote Originally Posted by MIWS62001
    WS6 with the M6 is 3.42. 4.10s is not a problem, just remember to have your speedo corrected.
    Just to elaborate / clarify:

    ALL M6 f-bods came w/ 3.42 rears.

    ALL A4 cars had 2.73 standard w/ 3.23 optional.

    ALL SS/WS6 w/ A4s have the 3.23 as a "mandatory option".

    Johnny B - '98 "Triple Black" WS6 Convert, M6, All Options, ASC #3030 (1 of 50)
    KBDDSFC, DGM C/F Tonneau, MTI C/F Lid, K&N, HPP-III, 160 T-stat, Pro 5.0
    Link to Firebird Production Breakdowns

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