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Thread: How fast?

  1. #1
    Join Date
    Sep 2017
    Seattle WA

    How fast?

    How fast have you gotten your SC up to? Mines a little tired but sheís got exhaust, 5% js, 76mm maf, rebuilt blower with some mild porting. Iíve gotten her up to 140, still climbing so I bet she could hit 150. I got a shot of me at 135 Name:  C33C60AB-C586-41D5-9FCA-EBD7D537FABB.jpeg
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  2. #2
    Join Date
    Jan 2003
    Woodbridge, VA
    128 in the 1/4 mile and i think 130 when i was testing driveshaft vibrations.
    SCCoA Member #1826
    Bettie Riding jack stands
    SCARlit on drag duty now

  3. #3
    Join Date
    Feb 2003
    Tinton Falls, NJ
    I topped out an 89 XR7 5-speed many years ago. The speedo in the car only went to 120, so I watched the tach until it stopped climbing, at just under 4100rpms in 5th. When I got home I calculated it out based on the tire size and gear ratio, and it came out to 157mph. The only performance mods to that car were an aftermarket exhaust with no cats and a mid-mounted flowmaster, and a ported early style blower with a 10% OD.

  4. #4
    Join Date
    Apr 2002
    Imperial, MO (near St. Louis)
    In my younger/dumber days I managed to find the 7k rev limiter in third at ~145 MPH once or thrice.

    Otherwise, 116 MPH average through the traps at the track.

  5. #5
    Join Date
    May 2004
    Va. Beach,Va.
    124 mph in the 1/4 mile...........
    SCCOA Member #2406
    '94 SC AUTO - 2.3 Whipple
    '90 SC AUTO - Bone Stock

  6. #6
    Join Date
    Jul 2002
    Boston, MA
    No idea, 145MPH is as high as it goes and doesn’t go past it even though tach still climbing, that’s SC life full of secrets. Of course Mexico is well known for roads closure and public displays of speed.

  7. #7
    Join Date
    Jul 2002
    Roanoke, Virginia
    Quote Originally Posted by ricardoa1 View Post
    No idea, 145MPH is as high as it goes and doesnít go past it even though tach still climbing, thatís SC life full of secrets. Of course Mexico is well known for roads closure and public displays of speed.
    If the bezel for the cluster is removed it will go all the way around to 0 and hit the trip reset.

    We were all young once right

    Current Collection
    1994 Thunderbird SC - Auto converted to 5spd

    1995 Thunderbird SC - Auto

    1994 Thunderbird SC - 5spd
    1989 Thunderbird SC - 5spd - Daily Driver
    1990 Thunder/Cougar XR7 - 5spd
    1994 Thunderbird SC - 3v Project

  8. #8
    Join Date
    Jun 2009
    Charlotte, NC
    LOL ... good one Tim.

    Mine's not an SC, but I've seen 130 in it.

  9. #9
    Join Date
    Jan 2005
    Northern Cambria PA
    High 150's and I got scared lol. 127 1/4 mile traps

  10. #10
    Join Date
    Jan 2019
    I've gotten mine to 130 and I was ready to poop my pants haha. More power to you fellas who get yours to 150.

  11. #11
    Join Date
    Apr 2002
    St. Charles, MO
    About 130 mph in my 91 SC, but it got there real quick.

    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat.............10.597 @ 135.78

    My Garage

  12. #12
    Join Date
    Jun 2002
    Adrian, Michigan
    I did 135 mph in my 95 5-speed SC late one night on a straight stretch of US 23 coming from Toledo Ohio headed back into Michigan. The car was still pulling hard but I got out of it anyway. The wind noise was insane.
    SCCoA Member # 490 since 1997
    1995 SC (five speed) [email protected]
    Best 60' 1.7489

    1994 SC (automatic) [email protected]
    Best 60' 1.8539 On a stock long block with bolt on's

  13. #13
    Join Date
    Apr 2005
    Nor Cal
    As high as the speedo goes, 145+ mph in my 1994 SC. It still had plenty to go.

    - Dan

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