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1/4 Question

This is a discussion on 1/4 Question within the Drag Racing forums, part of the Racing Forums category; i gotta ws6 makeing near 420 rwhp and went to the track the other day and only went 13.2 @ ...

  1. #1
    Junior Member Adam_WS6_'s Avatar
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    2001 Ws6

    1/4 Question

    i gotta ws6 makeing near 420 rwhp and went to the track the other day and only went 13.2 @ 110 the car went 13.0 @107 stock


    the 60`s was shitty 2.3`s 2.4`s all night

    on a street tire and stock gears 3.42`s.. the cams a 228.228.581.581 112 lsa

    it`s a lil lazy in 1st in lower rpm but when it gets in the higher rpms

    but even with thous 60`s it shoulda went 12`s right?the cars lazy till about 3500 4500 rpms.. i know theres more then enufgh power for mid to low 11`s with tire ..

    i know the car needs the gear.. but souldent it go faster then that with all the power..
    with the right Suspension gear tire the car should go 10`s ? right?
    Last edited by Adam_WS6_; 10-04-2008 at 02:33 AM.
    Patriot Stage 2 heads cam 228.228.581.581. 112 lsa, lts ory Magnaflow cat back, maf,full tune, LS7 Cluch w/ LS2 Flywheel,Pro 5.0,Slotted/Drilled Rotors,Subframe Connectors,Strut Tower Brace,panhard bar,lower control arms, 4.10 gear.

  2. #2
    Member WS6ICK2K's Avatar
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    Metallic Blue
    2000 Trans Am WS6

    Theres alot of variables when it comes to the track. I would say 420wrhp should proally go low 12s all day.

  3. #3
    Your trap speeds seem kinda weak for the mods and for being a M6, Im getting that with a "crappy" auto, hotcam and mac mids....lol
    Last edited by Z28_06374; 10-05-2008 at 10:33 AM.

  4. #4
    Junior Member Adam_WS6_'s Avatar
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    i can go thou the traps in 3rd... the gears will gve me more mph in the 1/4 i should be traping at 118 119...

    theres 3.42s in it now i am gonna put 4.10s gonna try to the them in b4 winter!

  5. #5
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    Keep making passes! Practice is sometimes better than adding HP. My 01 WS6 with nothing more than ,
    a lid and filter
    mac headers with the stock cat back
    a translator
    TTII wheels

    The car made 351RWHP and ran 12.4 @114 @ Rockingham and I did this on regular radials, Not drag radials.

    Just keep making passes and keep track of your splits and how you drove the car. You will be shocked at how much you pickup just by learning the car and how to drive it.
    Good luck.

  6. #6
    Junior Member blownfbody's Avatar
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    sounds like you need to put a tune in the car

  7. #7
    1/8th Mile Killer 2KZ28's Avatar
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    Those 60 ft times look like tire spin or clutch slippage maybe? gears will help alot with that cam

  8. #8
    Member cuzimoto's Avatar
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    MPH is best indicator of hp. Wheel spin and 60 foot have very little effect on mph. That mph sounds slow for 420rwhp.

  9. #9
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    Get you some Mickey Thompson DR for the rears. That will help your 60' and your 1/4 mile time. Lower gears will help you too. I was running 12.7 in a quarter mile with street tires and stock gears. I put in 3.73 gears and MT DR's on the rear and now it runs 11.5 in the quarter.
    Last edited by WS6ICK; 11-15-2008 at 08:23 PM.
    2010 Camaro
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    2009 Chevy Silverado


  10. #10
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    Quote Originally Posted by Adam_WS6_ View Post
    i gotta ws6 makeing near 420 rwhp and went to the track the other day and only went 13.2 @ 110 the car went 13.0 @107 stock


    the 60`s was shitty 2.3`s 2.4`s all night

    on a street tire and stock gears 3.42`s.. the cams a 228.228.581.581 112 lsa

    it`s a lil lazy in 1st in lower rpm but when it gets in the higher rpms

    but even with thous 60`s it shoulda went 12`s right?the cars lazy till about 3500 4500 rpms.. i know theres more then enufgh power for mid to low 11`s with tire ..

    i know the car needs the gear.. but souldent it go faster then that with all the power..
    with the right Suspension gear tire the car should go 10`s ? right?
    Sounds like you need tuning. You can make awesome peak numbers but a good tune will get you the full curve.

  11. #11
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    black
    2001 ws6 trans am ramair

    get a tune that car will run low low 12.s all day i got a 2001 ws6 whit a lil cam and long tube headers that runs 12.50 and you need to get better at your take off i know you think you doing it right but some times it the lil things

  12. #12
    You might want to check the car out. With 420rwhp you should be traping better than 110mph... even if you screw up the launch. I've seen bolt on LS1s that trap that.

  13. #13
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    is the clutch slipping on the top end?

  14. #14
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by Adam_WS6_ View Post
    i can go thou the traps in 3rd... the gears will gve me more mph in the 1/4 i should be traping at 118 119...

    theres 3.42s in it now i am gonna put 4.10s gonna try to the them in b4 winter!
    Could be weather related, maybe your WOT AFR wasn't suited for the conditions.

    Your ET is right on the money for that MPH combined with that 60 foot. With a better 60 foot that MPH would get you in the low 12's easily.

    My wifes 2000 SS 6 speed just has headers,,,and a small Z06 camshaft with a tighter 112 lobe sep....still running stock gears as well and it went 13.15 at 110 mph with similar 2.23 60 foot. Thats with a tune I am still working on and the DA was 1900 feet. Not a perfect tune but runs decent,,,I also crossed the finish line in 3rd gear. Car is good for bottom 12's yet I know it won't make the RWHP you are claiming.

  15. #15
    Junior Member 2000ssturd's Avatar
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    2000 Camaro

    I dont know your track experience, but in my M6 with the same gears as far as I know, im goin through at the top of fourth. Are you sure your not letting off early. the first track I raced at had lines at the 1000ft mark and I kept letting off early, I was very disapointed with my first few runs.

  16. #16
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by 2000ssturd View Post
    I dont know your track experience, but in my M6 with the same gears as far as I know, im goin through at the top of fourth. Are you sure your not letting off early. the first track I raced at had lines at the 1000ft mark and I kept letting off early, I was very disapointed with my first few runs.
    Even a stock LS1 6-speed and stock 3.42 gears wouldn't pass through the 1/4 mile traps at the top of 4th. That would mean you are crossing in 4th around 6,000 rpms.
    When our other 6 speed car was bone stock,,,I would have to shift into 4th at about the 1000 foot mark and would cross the finish line at only about 4,500 rpms. I was shifting around 6,000 and just couldn't stretch 3rd gear that far to the finish line. It needed more gear, even stock engines benefit from a rear gear change.

    Our current 6 speed has a smallish cam and valve train that allows 63-6400 rpm shifts, and with the 3.42's I can just stretch 3rd to the finish line and barely bump the rev limiter set at 6,500. For optimum 1/4 mile performance this car needs a gear in the worst way.

  17. #17
    Junior Member 2000ssturd's Avatar
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    Sorry, middleish of fourth. I never tried to stretch 3rd that far, didnt think it would make it.

  18. #18
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by 2000ssturd View Post
    Sorry, middleish of fourth. I never tried to stretch 3rd that far, didnt think it would make it.
    It wouldn't if you are running a stockish motor (stock camshaft) and only 3.42 gears. RPM limiter is set to around 6200 on a stock LS1, that just won't quite get you there in 3rd gear. Not to mention a stock LS1 doesn't make power up there anyway.
    I didn't quite make it myself with shiftpoints at 63-6400 and the rev limit at 6500. It bumped the limiter 3-4 times in 3rd as I crossed the stripe.
    Didn't yield me anything other than killing the trap speed a bit. Shifting to 4th right at the finish line doesn't help either really. Thought I would give it a try though.

  19. #19
    Quote Originally Posted by Firebirdjones View Post
    Even a stock LS1 6-speed and stock 3.42 gears wouldn't pass through the 1/4 mile traps at the top of 4th. That would mean you are crossing in 4th around 6,000 rpms.
    When our other 6 speed car was bone stock,,,I would have to shift into 4th at about the 1000 foot mark and would cross the finish line at only about 4,500 rpms. I was shifting around 6,000 and just couldn't stretch 3rd gear that far to the finish line. It needed more gear, even stock engines benefit from a rear gear change.

    Our current 6 speed has a smallish cam and valve train that allows 63-6400 rpm shifts, and with the 3.42's I can just stretch 3rd to the finish line and barely bump the rev limiter set at 6,500. For optimum 1/4 mile performance this car needs a gear in the worst way.
    Yeah, but the 3rd to 4th shift is the "easy shift".

  20. #20
    ROWDY BURNS jsteele90's Avatar
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    383/372 CMS tuned
    2000 z28

    my 339hp car does 12.2@110

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