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Bogging out of the hole

This is a discussion on Bogging out of the hole within the Drag Racing forums, part of the Racing Forums category; I know this is actually worse than spinning. I know that is can have a decent effect on ET's. But ...

  1. #1
    Slow'er'Ass Mr. Luos's Avatar
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    Bogging out of the hole

    I know this is actually worse than spinning.
    I know that is can have a decent effect on ET's.


    But how much can it affect trap speed? Loss of momentum has to kill it.

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    Senior Member BLKCLOUD's Avatar
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    Just like spinning, you can't quantify it. Depending upon how bad you bog on run x, and how bad you spun on run y, either run could be better (or worse) than the other.

    The good news is that bogging is generally easier to fix than spinning: Launch higher.

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    Slow'er'Ass Mr. Luos's Avatar
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    I know what I need to fix it.
    Just wondering how it affects time. Makes sense, the worse it is, the worse the affect.

    My car has pulled a few 1.67 short times, but it bogs. So far my best ET was on a run that had a 1.81 short time but didn't bog.

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    Senior Member BLKCLOUD's Avatar
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    Was it the same day at the same track? It would be interesting to do a side-by-side comparison of the timeslips (all the incrementals) if you have them.

    One bad thing about your T56 is the 2.66 1st gear. Makes the launch difficult.

    Good luck.

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    Slow'er'Ass Mr. Luos's Avatar
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    They were.
    I will have to get the slips out though.
    Give me some time.

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    SCPO - Retired joerockhead's Avatar
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    Well, I would have to say, it is better to spin then to Bog.

    If you spin, you still have all that energy and torque going forward, you just have to get it to catch.

    If you Bog, you have lost forward momentum, and have to get the power curves back up, which does take longer.

    Your 60's are nice to have, but that will not win you a race, as you already know.

    I have done both so much, and finding that perfect RPM to launch at is hard as hell.

    Hell you have seen me run, and the pic on my Webpage with me nearly having that wheely was my best launch that I can recall
    For those that have not seen it - http://www.badass67.com

    Make sure to have a not ad at our track day this spring, and adjust by 100 or 200 RPM per launch, until you find that neck snapper.

    SpEd

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    Slow'er'Ass Mr. Luos's Avatar
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    Looking forward to it.


    Here are the runs...
    Sept. 27th
    1st pass. (went to 1/2 throttle in 4th gear after I got a little loose up top)
    60 = 1.904
    330 = 5.288
    1/8 = 8.014
    MPH = 90.96
    1/4 = 12.368
    MPH = 114.39

    2nd pass
    60 = 1.810
    330 = 5.028
    1/8 = 7.711
    MPH = 90.76
    1/4 = 11.975
    MPH = 117.59

    3rd pass (bog)
    60 = 1.773
    330 = 5.101
    1/8 = 7.802
    MPH = 89.89
    1/4 = 12.065
    MPH = 117.82


    Oct. 11th
    3rd run (First two weren't great, getting used to track) (bog)
    60 = 1.674
    330 = 5.005
    1/8 = 7.738
    MPH = 89.28
    1/4 = 12.061
    MPH = 116.14

    4th pass (bog)
    60 = 1.688
    330 = 5.017
    1/8 = 7.736
    MPH = 92.18
    1/4 = 12.065
    MPH = 116.59

    5th pass (another bog)
    60 = 1.696
    330 = 4.991
    1/8 = 7.709
    MPH = 89.78
    1/4 = 12.010
    MPH = 116.72

    6th pass
    60 = 1.741
    330 = 5.100
    1/8 = 7.828
    MPH = 89.53
    1/4 = 12.134
    MPH = 116.86

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    Senior Member mrr23's Avatar
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    Quote Originally Posted by Mr. Luos View Post
    2nd pass
    60 = 1.810
    330 = 5.028
    1/8 = 7.711
    MPH = 90.76
    1/4 = 11.975
    MPH = 117.59

    3rd pass (bog)
    60 = 1.773
    330 = 5.101
    1/8 = 7.802
    MPH = 89.89
    1/4 = 12.065
    MPH = 117.82
    looking at these two, i don't see the bog as the problem as it would've affected your 60ft negatively. looks to me more like a 1-2 shift issue. maybe because of the 'bog' you short shifted.

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    Slow'er'Ass Mr. Luos's Avatar
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    I would have to watch the video...But I know the top run of those two didn't bog, and I am thinking the bog on that last one was very minimal.

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