Disappointing day on Khumo V700 on drag strip

Discussion in 'RT/10 and GTS Discussions' started by Schulmann, Sep 2, 2006.

  1. Schulmann

    Schulmann Enthusiast

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    Finally after 3 weeks of waiting UPS delivered my lost Khumos V700 this week.
    I was hoping to run below 11s on the drag strip yesterday night.
    Unfortunately my best time was 11.8/129/1.879. It was my 6th and last run.
    Likely the Khumos got to the right temperature.
    Okay it was a cold night (60F) but I am disappointed.

    Will the Khumos get better with the time (like wine) ?

    How much better is the BFGoodrich g-Force Drag Radial ?

    My wheels are 18x13 so I need something that fits on.
     
  2. GTSnake

    GTSnake Viper Owner

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    My BFG's stick like flies on sh!t. I launch at 2,000rpm at street pressure 29psi and don't get any slip. When I drop the pressure I can launch at even higher rpms. Never tried Kumhos but I love the BFG's.
     
  3. JUCD VPR

    JUCD VPR Enthusiast

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    I second that, i LOVE the BFG's and i thought about going with the Kumho's but went with the BFG's and i'm happy as long as its not raining!
     
  4. 2001 GTS

    2001 GTS Viper Owner

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    The first time at the track with the Kumhos...best I could do was a 1.9. They definately need to break in a little bit...but they also need good conditions to work well. The BFGs on the other hand have exellent traction all the time (minus rain of course). I won't go back to Kumhos...BFG FTW!

    Best 60ft w/ Kumhos: 1.72
    Best 60ft w/ BFGs: 1.52
     
  5. Joseph Dell

    Joseph Dell Enthusiast

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    With BFG's the hotter they get, the stickier they are. I used to run 16-18psi and I'd do a pretty long burnout. I'd have consistent 1.6x (and even some 1.5x) 60ft times. Sure, my car isn't stock I like the BFG's quite a bit.

    JD
     
  6. AG98RT10

    AG98RT10 Viper Owner

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    My Kuhmo's don't hook up at all well below about 65 degrees. I took my nephew out last Thanksgiving and temp was around 60, and I had axle hop so bad on the first-to-second shift I thought I was going to break something...
    Above 70, and fully warmed up, they are great - on a sticky VIR road course in July, they are a little greasy even - pick up big rocks and little gravels like the Hoosiers.
    They're not a bad compromise all-around tire, and have been great for me, but I definitely take it easy on cooler days.
     
  7. Early93Viper

    Early93Viper Enthusiast

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    Kumhos work great on a roadcourse but I don't see much difference in a straight line.
     
  8. VENOMAHOLIC

    VENOMAHOLIC Viper Owner

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    BFG's are more designed for drag strip performance. The sidewalls will wrinkle a little better than V700's. The V700's have stiffer sidewall for better cornering which is less desireable for strip use.
     
  9. Jack B

    Jack B Enthusiast

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    Schulman:

    I have run the 700 series (two sets) and I am now on my second set of 710's. They don't stick (drag strip) any better than the PS2's that I now have on the car. On the other hand, there is nothing better at autocross. I know a lot of car run them on road course, but, they seem to slip more as they get hotter.

    Wrinkle ? you can run them with no air they are so stiff, that might be a little exaggeration.
     
  10. Schulmann

    Schulmann Enthusiast

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    Jack B,

    What pressure do you run in the V700 on drag strip ?
     
  11. 99 R/T 10

    99 R/T 10 Enthusiast

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    I can pull an easy 1.6 with the Kumhos. I actually broke a halfshaft U-joint on them. I love them! :2tu:
     
  12. Jack B

    Jack B Enthusiast

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    Schulman:

    I run 20-22 psi. The problem is, the side walls are so rigid, it doesn't help a lot. As far as getting a 1.6, 60 on Kumhos, that is easy on a prepped track. Some people have done ten second quarters on pilots, but, again that is on a prepped track. On most of the tracks we race on if there isn't a major event, the prep usually sucks. It is a shame that there has to be a bunch of 7-8 second cars before they prep the track.
     
  13. 2001 GTS

    2001 GTS Viper Owner

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    Haha...I broke a U-joint on the Kumhos too...bit after it was replaced...haven't had a problem since on the BFGs
     
  14. ViperBing

    ViperBing Enthusiast

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    I too have pulled 1.6's on Kumhos. What was your launch technique?
     

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