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Thread: Road trip to SCU with my 91 SC

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  1. #1
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,899

    Road trip to SCU with my 91 SC

    Road trip to SCU inc & TI Dyno a few weeks ago with Kathy to get my SC ready for Hot Rod Power Tour. Got the new MTX-L wideband installed, gauge pod rewired, new QH chip installed, new set of shocks installed and then we put it on the dyno to check the tune. Everytime we went WOT the voltage dropped about 3 volts and that was making it go lean. Tried swapping batteries, and switching to a larger alternator pulley for more belt grip but neither worked, so we switched from the custom built 6G alternator, to a stock SC alternator. That corrected the voltage issue and we were able to dial in the tune. Big thanks to my awesome wife Kathy Neibert for making the trip with me and to David Dalke and Kevin Cragon for all the hours of work they put in Saturday. Oh yeah, ended up pulling 466 rwhp on "The Dream Crusher" with my street tune which is about what I expected.

    Here are some pictures I took.
    Attached Images Attached Images      
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  2. #2
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,899
    More pics...
    Attached Images Attached Images      
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  3. #3
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,899
    More pics.....
    Attached Images Attached Images      
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  4. #4
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,899
    More pics....
    Attached Images Attached Images      
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  5. #5
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,899
    The last of them....

    Name:  SCU 19.jpg
Views: 304
Size:  280.7 KB

    Name:  SCU 20.jpg
Views: 303
Size:  53.8 KB



    Here is a video of one of the 1st pulls Dave tried and tires spun badly....me and Kevin had to get in the trunk for about 10 more pulls.



    https://youtu.be/rSNkXLI0JN0
    Last edited by David Neibert; 05-11-2017 at 11:40 AM.
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  6. #6
    Join Date
    Nov 2016
    Location
    PNW
    Posts
    234
    WOW !! Very nice 91. Thanks for vid/photos.
    Creighton

  7. #7
    Join Date
    May 2003
    Location
    Omaha, Nebraska
    Posts
    6,165
    Quote Originally Posted by David Neibert View Post
    The last of them....

    Name:  SCU 19.jpg
Views: 304
Size:  280.7 KB

    Name:  SCU 20.jpg
Views: 303
Size:  53.8 KB


    Here is a video of one of the 1st pulls Dave tried and tires spun badly....me and Kevin had to get in the trunk for about 10 more pulls.



    https://youtu.be/rSNkXLI0JN0
    Wernt you at 499 rwhp? Was that on another dyno besides the dream crusher. Do you have the manual valve body?

    Ken

    93 SC Whipple powered 11.648 @ 119.6
    Twin Turbo, air intercooled..yet to see

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