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Thread: 91 SC pulls 504 rwhp on the Dream Crusher

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

    91 SC pulls 504 rwhp on the Dream Crusher

    From a recent visit to SCU Nov 10-12 when new converter and stainless brake lines were installed, some repairs were made and finally some more dyno tuning. This car just doesn't like the methanol injection, even after changing plugs, nozzle size, coil pack and DIS module we were still getting some mid range stumbling when methanol starts spraying. I'm using Autolite XP103 iridium plugs gapped at .028"

    On race gas tune it made 504 rwhp actual and 490 rwhp corrected
    On street gas tune it made 493 rwhp actual and 482 rwhp corrected

    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  2. #2
    Join Date
    Aug 2005
    Location
    Paoli Indiana
    Posts
    4,547
    I updated you on the list! it actually left you in the same spot lol
    93 SC Red Auto 111k
    2013 Shootout Bracket ET First Place
    2015 Shootout Car Show Honerable Mention
    2016 Shootout Mod-1 First Place
    4.2, 2.3 Whipple, 3.73s AOD
    307rwhp 12.70@107.2 (MPX)
    395rwhp Whipple 11.741@117.5mph

  3. #3
    Join Date
    Aug 2004
    Location
    KSRQ
    Posts
    5,124
    Those are nice results Dave.

  4. #4
    Join Date
    Jan 2005
    Location
    Northern Cambria PA
    Posts
    1,622
    That's some sweet numbers!!.

    I had no luck with the iridium plugs, I run the autolite 103's copper core gapped around .022-.024 with the meth injection.

    But I'm not making near as much power as you.
    Last edited by no164ford; 11-27-2017 at 11:21 PM.

  5. #5
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    20,899
    Thanks guys....I'm planning to increase methanol/water from 50/50 to 70/30 and if that doesn't work I'll try using some copper plugs gapped at .025"

    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat...............707HP/650TQ

    My Garage

  6. #6
    Join Date
    Apr 2016
    Posts
    85
    Nice, that's a whole lot of horsepower.

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