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Improvement, but not there....

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  1. #1
    Moderator 35th-ANV-SS's Avatar
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    02 35th LE Camaro SS

    Improvement, but not there....

    So I went to the track on Sunday for the first time since the car was completely stock about 4 years ago and was only able to get in 3 passes due to several circumstances.

    Here is the results:
    1st pass (No burnout, launched at 2,500RPM)
    1.99 - 60'
    5.709 - 330'
    8.739 - 1/8
    82.86 MPH
    11.336 - 1000'
    13.489 - 1/4
    105.38 MPH

    2nd pass (Launched at 3,000 RPM)
    1.926 - 60'
    5.597 - 330'
    8.616 - 1/8
    83.02 MPH
    11.192 - 1000'
    13.336 - 1/4
    105.82 MPH

    3rd pass (Launched at 3,500)
    1.902 - 60'
    5.524 - 330'
    8.497 - 1/8
    83.76 MPH
    11.051 - 1000'
    13.1689 - 1/4
    107.08 MPH

    As seen, I was improving, but I still have a dismal 1.902 60 time. I have never used DRs at the track, so it was a new experience for me and am obviously learning. I know the car has way better times in her. Tire pressure on all 3 runs was 21~22 PSI.

    All comments and advice is welcome. Obvious advice is a driver mod My mods are in signature. Tires are 275/40R17 Nitto 555 DRs.
    It's on jackstands.

  2. #2
    Member qwk93ta's Avatar
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    Lower your tire psi to 20 and see if that helps your 60' time, then try 18 psi and see if it it gets any better. I have Hoosier QTPs and 18 PSI works for me. My best 60' time is 2.02, but I have an A4. I've run a best of 13.09 @ 107 with a lid, LM1, tune, ported TB, LCAs and SFCs.

  3. #3
    Moderator 35th-ANV-SS's Avatar
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    Thanks. I was thinking that lowering the tire pressure was my next step. Also, I was going to try to increase my launch to 4K.

    Any idea what kind of 60' time I should be trying to target?

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    Member qwk93ta's Avatar
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    I would try 4k then 4.5K and see if your 60' times improve. For the mods you have I think your 60' times are good. You should look into some QA1 struts and springs for the front of your car or even skinnies. My old 93 T/A, M6, 9" with 375 RWHP would pull 1.6s 60' times.

  5. #5
    Moderator 35th-ANV-SS's Avatar
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    I don't know if I will be able to get to the track again before the end of the year with school and work, but I will try what you mention.

    I know the Nitto DRs aren't optimal, but I had to get them over the M/Ts as this is a street car for the most part.

    On my 3500RPM launch, with my best 60' to date, I came off the line slightly sideways.

    I guess if I won't be able to improve my 60' time by that much more with these tires and trying the different combos of pressure/RPM, then only thing that is left is in my shifting.

    I need to determine what RPM I should be shifting at in each gear to maximize my average HP.

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    With nittos i would say 1.7-1.8 is pretty damn good.

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    Moderator Firebirdjones's Avatar
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    A 1.9 60 on stock tires is nothing to sneeze at. I dought you will get it much lower with what you are working with.

  8. #8
    Moderator 35th-ANV-SS's Avatar
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    I am running Nitto DRs though, not stock street tires.

    I guess from what people had previously told me, I thought I would be running mid 12's, but I just don't see that happening unless I pick up a few tenths in both shifting and my 60'.

    At best, if I lower my 60' time to say 1.7, I could potentially shave another 4/10's up top, so I could be hitting 12.76.

    So maybe my last time of 13.16 isn't so bad afterall with the Nitto's...

    With the car completely stock about 4 years ago I ran a 13.79 @ 104 on street tires.

  9. #9
    Moderator Firebirdjones's Avatar
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    Ah gotcha. Your MPH definately supports mid 12 second runs easily,,,,,it's fully exploiting it that is the trick.

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