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should i install a shift kit? and.....

This is a discussion on should i install a shift kit? and..... within the Automatic Transmission forums, part of the Drivetrain category; iv been debating on whether or not i should install a shift kit on my 98 trans am when im ...

  1. #1
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    should i install a shift kit? and.....

    iv been debating on whether or not i should install a shift kit on my 98 trans am
    when im on it my car goes all the way to the red line so do you think that it is necessary

    i been thinkin about a stall converter also since every1 i know seems to think without my car being a stick its slower than it should be in a quarter cuz i cant dump the clutch its slower i dont beleive that but i do beleive with a stall converter i may be faster out the box

    so what do u think stall converter or shift kit or both?

  2. #2
    Impounded
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    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    u know what a good stall converter and shift kit would run each?

  4. #4
    Senior Member bills98ta's Avatar
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    1998 Trans Am

    The transmission is very programmable. Mine has the HD basket & clutches, 4600 stall, and no shift kit. Just programmed !!! Still the original 4L60e that came with the car and I run high 10's ... When you do program it, you have to leave it in drive or overdrive for the program & shift points to work.

  5. #5
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    wow u have a huge stall converter lol i was thinkin more lik 2500 but wow i guess that helps the wheelie lol but thanks what do u have done to ur car to make it run high 10s?

  6. #6
    Senior Member bills98ta's Avatar
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    Quote Originally Posted by smkn gts View Post
    wow u have a huge stall converter lol i was thinkin more lik 2500 but wow i guess that helps the wheelie lol but thanks what do u have done to ur car to make it run high 10s?
    Wow, big question !!! LOL !!!
    I have a new motor now, but my stock motor ran a best of 10.72 with a 1.36 / 60'..
    The bigest power gainer I think was porting the heads, ported intake, and long tube headers. cam & stall of coarse... Alot of bolt ons. 150 dry shot. Moser rear w/ 4.10 gears. alot of suspension work...
    Now back to your car... If you do a stall convertor, you want the tranny beafed up some. Have the beast clutch basket installed. The stock one might break. I'd use a 3000 - 3600 locker stall. Great for street and race. Even my 4600 locker is streetable, but a little overboard for a trip...

  7. #7
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    awesome u ran a 150 shot? u think non forged pistons hold that fine or would they need to be forged? id love to do most of that but the biggest thing is i would like a supercharger but of course heads cam headers exhaust intake tb and stuff like that would be first prolly will find a used supercharger

    i was thinking about nitrous and set the perge out my ram air

  8. #8
    Senior Member bills98ta's Avatar
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    That was all on stock bottom end with a cam. Here's a pic of my purge at the headlights !

  9. #9
    Senior Member bills98ta's Avatar
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    The ram air purge sounds like a great idea too !!!

  10. #10
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    ya im just worried that the 150 will burn it up no1 has an exact answer for me some say it will eat it up and other say it will burn it up so idk wat to do but that pic looks sweet

    im tempted to buy a used ls1 and just build it from the bottom up forge it everything but taking tht block out looks rough

  11. #11
    Senior Member bills98ta's Avatar
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    If you pull the tranny first, pull off the front accessorys ( water pump, ect... ) the motor will come out the top fairly easy. I sprayed the 150 shot for four years before a rod bolt pulled... Rev limit was at 7200 rpm... It was the origonal 98 motor, and it blew last fall. Not bad !!! Of coarse, I didn't beat on it !!! LOL !!!

  12. #12
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    can u change the heads without pulling the block? iwas told u cant cuz it would be hard to torque the head bolts

    and 4 years is a long time how many miles was on the motor?

  13. #13
    Senior Member bills98ta's Avatar
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    Yes, you can change the heads. It is tight, but can be done. I had around 75K on that motor. I got a block & crank on ebay, then started building a back up motor. Of coarse, mine blew before I had the new one finished...
    The one that blew, won the race, then blew while idling back to the pits... At least it didn't go at 7000 rpm !!! It's rebuildable too !!!

  14. #14
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    well thats good i like the quarter but i want my car to be as fast as it can without having to trailer it i want a fast street car i love spanking mustangs while driving to work

  15. #15
    Senior Member bills98ta's Avatar
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    Quote Originally Posted by smkn gts View Post
    well thats good i like the quarter but i want my car to be as fast as it can without having to trailer it i want a fast street car i love spanking mustangs while driving to work

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    Senior Member Z28Thunder's Avatar
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    Quote Originally Posted by bills98ta View Post

    A 3500 stall is killer IMO.. Makes the A4 fun as hell to drive with out a shift kit. One thing I would think about is going vacuum modulated with a shift kit. I have a 4000 stall with a shift kit. Not running the 10's like Bill but run solid 11's. And love the feeling when I go WOT... Puts you and keeps you in the seat until you let off.

  17. #17
    Member smkn gts's Avatar
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    red
    1998 Pontiac Trans Am

    what else do u have done to make u run the 11s?

  18. #18
    Powerstrokin LT1 > LS1's Avatar
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    Quote Originally Posted by smkn gts View Post
    what else do u have done to make u run the 11s?
    for a full weight car, that is about 3700 lbs, it should take around 450 whp to get you solidly into 11's.


    500whp will get a very very low 11, maybe even a 10 if you can hook it up.

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    Jacking the pressure through the electronics should be the last thing you do
    Shift kit first and a converter definitely

  20. #20
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