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challenge lap times

Discussion in 'Challenge/GT Cars' started by db4, Nov 19, 2009.

  1. db4

    db4 Karting

    Oct 24, 2009
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    ny
    anyone have 348 challenge best lap time from limerock ?
     
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  3. Jasonberkeley

    Jasonberkeley Formula 3
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  4. Dewinator

    Dewinator F1 Rookie
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    Jun 22, 2017
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    Woah... only 9 days short of a decade later!
     
  5. Jasonberkeley

    Jasonberkeley Formula 3
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    Was searching for some 348 Ch stuff and came across it! Figured I would respond since I had the answer!
     
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  6. amenasce

    amenasce Two Time F1 World Champ
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    Oct 17, 2001
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    Joe Mansion
    What are the following challenge cars time?

    355/430/458/488 at Lime Rock (if they raced there)?
     
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  8. SoCal1

    SoCal1 F1 Veteran
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    Jun 14, 2011
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    What year did they smooth out the rising turn in Lime RocK?
     
  9. Jasonberkeley

    Jasonberkeley Formula 3
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    It was repaved in 2008.

    Lap times dropped immediately after repaving, but have stabilized since.

    The uphill turn wasnt very bumpy before the repaving as I recall, but there was a pretty big bump at the apex of the downhill before the repaving that they fixed.
     
  10. Jasonberkeley

    Jasonberkeley Formula 3
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    The first car in the time sheets I posted was a 355, and was the only 355 that ran in the series in 1995.

    I dont have any info for after this- maybe Google it?

    I dont think the Challenge series has raced at Lime Rock with 488's
     
  11. SoCal1

    SoCal1 F1 Veteran
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    They used to have a pole at that turn back in the 70's marked 1,2,3,4 feet to see how high you would get. I think around 1984 or so they took the peak off the hill.
    You could spin the tires all the way to the bridge if you weren't careful in a high HP car
     
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  13. Jasonberkeley

    Jasonberkeley Formula 3
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    I love the idea of the leasuring stick at the top of the hill!

    I dont think they actually flattened the top, though I could be wrong. In the Trans Am race I did on Memorial Day, some of the cars were still lifting their front tires 2 feet off the ground.

    They installed in the late 80s or early 90s an alernative up-hill with a tighter, slower turn-in and a chicane. Pretty much only IMSA uses it. At the same time they also installed a chicane on the outside of West Bend that only IMSA used, but I dont think anyone uses it now.
     
  14. SoCal1

    SoCal1 F1 Veteran
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    Yes right before, I should say a few years they scraped it a little bit or I may be wrong. possibly just the approach was changed. I know a few can an cars went over in the early 70's when they hit it full speed. I have some old gtu pics I'll have to dig up
     
  15. Jasonberkeley

    Jasonberkeley Formula 3
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    Check out Al Holbert in his GTP 962.

     

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