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Easy Performance Mods for 1999 T/A

This is a discussion on Easy Performance Mods for 1999 T/A within the Firebird / WS6 forums, part of the Vehicle Specific category; Hello Everyone, I just inherited my new project, a 1999 T/A that has been hit in the front end. It's ...

  1. #1
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    Navy Blue Metallic
    1999 Trans Am

    Easy Performance Mods for 1999 T/A

    Hello Everyone,

    I just inherited my new project, a 1999 T/A that has been hit in the front end. It's always been a dream of mine to own one of these cars and now its finally coming true. It is going on the frame machine this week to pull it straight before I install the new front clip. I figure now is the right time to do some easy mods to boost performance but I really don't know where to start. I already have the WS6 hood and airbox so I am looking for some other ideas.


    Please help!

  2. #2
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    is it a auto or 6 speed?

    headers and catback will net you about 40 rwhp.
    nitto 5555 tires hook much better than stock.
    ls6 intake manifold is worth an easy 10.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  3. #3
    Member qwk93ta's Avatar
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    A lid is $100

  4. #4
    i f*****g hate rice adam0321's Avatar
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    1999 ws6 trans-am

    subframe connectors,strut tower brace, lid, headers, cat back, new plugs+wires, and a tune in that order is what I would do. dont waste your time with gears.

  5. #5
    Junior Member dlcarrales's Avatar
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    2000 Trans Am

    Put nittos on mine last week, went to the track. Hooks up too good now. Lost 3/10ths! They say need to switch the gears now to take advantage of the tires? What do you think?

  6. #6
    Impounded
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    maple red metallic
    2000 firebird formula

    Quote Originally Posted by dlcarrales View Post
    Put nittos on mine last week, went to the track. Hooks up too good now. Lost 3/10ths! They say need to switch the gears now to take advantage of the tires? What do you think?
    so your gears are havin trouble turnin the tires???..

  7. #7
    Junior Member dlcarrales's Avatar
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    So it seems, can't even do a decent burn out. I was running 13.01 now best was 13.27.

  8. #8
    i f*****g hate rice adam0321's Avatar
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    dont bother putting gears in that 10 bolt.. I know its not what you want to hear, but if you plan on modding this thing for more then just a casual street drive, drop the money on a new rearend. I have 4.10 in min and I love it, but its not a dd. i have no problem hokking or turning my drag radials

  9. #9
    i f*****g hate rice adam0321's Avatar
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    you try to mod that rearend with new hears and you will be replacing it sooner or later. I striped the possi out of my the first weekend I had it. then you have just wasted money that could have gone twords a new rear..moser m9 all the way, and if you are a m6 get in the mindset that sooner or later the clutch will go to. I have the z06 clutch in mine and I love it.

  10. #10
    Member afattitude's Avatar
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    Black & Silver
    2000 WS6 & 2003 Z06

    headers catback and intake

  11. #11
    Member afattitude's Avatar
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    that will give you about 40-45 rwhp

  12. #12
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    Navy Blue Metallic
    1999 Trans Am

    Thanks! I need all the help I can get!

  13. #13
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by dlcarrales View Post
    So it seems, can't even do a decent burn out. I was running 13.01 now best was 13.27.
    less spin=what you want.

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