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Thread: I think I have the fastest YSi LS1 (144.67mph)

  1. #1

    I think I have the fastest YSi LS1 (144.67mph)

    Car is:

    1998 Formula
    348ci LS1/LS6
    8:1
    YSi with 8 rib setup (2.85/8.00 pulleys)
    83 lb. Siemens
    T400
    TCT converter
    9" with soft locker, 31 spline, and 3.50 gears
    Griffin a/a front mount
    BS3
    C16 gas
    NGK TR8's
    680-750rwhp on dyno pulls
    3450 raceweight
    Tuned, constructed, supplied or advised by Bob Kurgan, Jim @ ls1speed.com, and Chris Sikora @ SS Racing

    I'm shifting around 6800 and hitting 6800-7000 thru the lites.

    Best slip:
    1.49
    6.221
    115.43
    8.061
    9.615
    144.67

    On 7.9.05 ~ 3000 DA
    1998 Pontiac Formula
    YSi, 348ci, 8.2:1, T400, TCT Converter, Moser 9"
    680-754rwhp
    9.40@143.7 | 1.35 | 3440 Raceweight 10.8.05
    Pics: www.psj.ls1tech.com

  2. #2
    Junior SCH Member
    Join Date
    Aug 2005
    Posts
    5
    John: Do you use an intercooler? Any pictures?

  3. #3
    Pics are here:

    www.psj.ls1tech.com

    Intercooler pics are in the 2003 gallery.
    1998 Pontiac Formula
    YSi, 348ci, 8.2:1, T400, TCT Converter, Moser 9"
    680-754rwhp
    9.40@143.7 | 1.35 | 3440 Raceweight 10.8.05
    Pics: www.psj.ls1tech.com

  4. #4
    Hopefully I will go racing this weekend and run a little stronger, the weather is 25 degrees cooler.
    1998 Pontiac Formula
    YSi, 348ci, 8.2:1, T400, TCT Converter, Moser 9"
    680-754rwhp
    9.40@143.7 | 1.35 | 3440 Raceweight 10.8.05
    Pics: www.psj.ls1tech.com

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