A body top speed

Discussion in 'Mopar General Discussions' started by Mopar87, Jan 11, 2019 at 10:05 PM.

  1. Mopar87

    Mopar87 Active Member

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    While I know most A bodies have the aerodynamics of bricks, I'm curious to see the highest top speeds you guys have managed to wind them out to on "closed courses".My Scamp wont be running until I finish a couple projects that are ahead of it so I'm out.The fastest I've gone was 115 MPH according the the GPS but that was in a 84 nissan 300ZX turbo that was aerodynamically challenged(bought it after a carport collapsed on top of it after 3 feet of snow,so the back is exposed to the elements so it generates alot of drag).

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  2. Hamerhead

    Hamerhead Active Member

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    I pinned the speedo in my 69 340 swinger a few times back in the day. My 79 5.0 Mustang I got up to 5400 rpm in 4th gear which was an over drive. In that car it was 2100 rpm at 70 mph. So do the math and it should have been 140 plus????
     
  3. loganscuda

    loganscuda DON’T reMember

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    67 Barracuda 130mph. I just posted a thread on here asking how I can get more top end speed.
     
  4. BrianT

    BrianT Let's go! FABO Gold Member

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    When I first got my Dart and after I made sure the wheels weren't going to fall off, I opened it up on a long straight highway. Speedo was pegged both ways, down and back. I would imagine with the right engine and gearing anything your budget will allow is possible.
     
  5. moper

    moper FABO Gold Member FABO Gold Member

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    '76 Scamp, 360 with cam and bolt ons, A833OD in 4th, 2.76 gear, 26" tires, 4200rpm on the tack, Says it's 140give or take. The car had stock everything and needed all three traffic lanes to get around bends.. But it did it. I've had A, E, and C body cars past 130, a couple past 150. Someday I'll have to get one to an actual race track...lol.
     
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    • spl440

      spl440 Everybody's Fool

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      My 67 Dart, on a 1.8 mile road course at No Problem Raceway, Louisianan, with a 360, 4 spd, 26 inch tire and 3.55 gears, 121 mph. They use the 1/4 mile drag strip as the main straightaway. Gears where the only thing slowing it down, that and pushing a barn door through the air.
       
    • toolmanmike

      toolmanmike FABO Staff Staff Member FABO Gold Member

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      I've had my 66 up over 100. My old Road runner over 120. A 2010 SRT8 challenger well over 120. Tony accelerated it up to 145 in 5th and still had 6th to go. It's the old cars back in the day with 4 wheel drum brakes and bias ply tires that are scary.
       
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      • lurchs66cuda

        lurchs66cuda A-body for life! FABO Gold Member

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        Wished I had GPS technology back in late 80's, but all I can go off of is numbers.....
        My 66 Cuda with a hot 273, 904, 7 1/4 rear with 2.76 gears and 235/60/14 tires running full throttle down a long open road at 7k RPM. Had friends that used to top end challenge the 66 all the time as teenagers when we got closer to home town so if anything broke we didn't have far to go.
         
      • Bodyperson

        Bodyperson A little sketchy

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        Sounds a lot like a set-up I had. According to the Montana State Police, you were doing about 110. LOL
         
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        • jos51700

          jos51700 Well-Known Member

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          OK, now who has the fastest car, after you calibrated the speedo?
           
        • Murray

          Murray FABO Gold Member FABO Gold Member

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          Brand new cuda in 1968, 383 4-sp, 3.55= 90mph in 3rd gear. Ran out of room, backed off.
           
        • ir3333

          ir3333 Well-Known Member

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          i know a guy who was clocked at 143 mph by provincial police radar in his 69 340 GTS back in the day.
          Don't ask me how i know.
           
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          • jas0162

            jas0162 Well-Known Member

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            I can take my dart to 120 or so. It has a stock 318 2bbl, an a-500, and 3.23 gears.
             
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            • 3406pk

              3406pk Well-Known Member

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              My Duster on 1/4 mile track traps at 115 mph at 6000 rpm. 408 w auto & 3.55 rear, 26.5" tire. Still pulling hard.
               
            • toolmanmike

              toolmanmike FABO Staff Staff Member FABO Gold Member

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              How fast are you going when the needle is in the middle of the right turn signal indicator? :lol:
               
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              • jos51700

                jos51700 Well-Known Member

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                I have a factory a body speedometer that maxes at 200. I got all y'all beat because my car will push the needle around to 160-170 easy.
                 
              • 75slant6

                75slant6 Well-Known Member

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                Kilometers?
                 
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                • loganscuda

                  loganscuda DON’T reMember

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                  Is that when the you turn the headlights on? My gas gauge does that.
                   
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                  • RichB

                    RichB CherryCuda65

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                    With my original 65 Barracuda 4 spd set up like a Formuls S, I got a long straight downhill run. With the Speedo saying 130, the Cuda lifted off the highway. The aerodynamics are that of an airplane wing.
                     
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                    • rumblefish360

                      rumblefish360 so close yet so far away

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                      Wife’s ‘67, 130mph with a good bit of rpm to go.

                      Logan, with only so much aerodynamically we can do, so, the rest is HP and rpm. PM me.
                       
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                      • ramenth

                        ramenth Gratis persona

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                        I couldn't tell you.

                        The old '72 Duster had 3.23's and I'd shift out of second into third at around 6200-6300 r's. By that time you needed to look down the road a 1/4 mile ahead because what was coming was coming in a hurry. Looking down at the needle was a luxury you didn't have.

                        Funny aside, for all the high powered cars I've driven, the only one that made my stomach flip was the old Hyundai XG350. Full throttle it would slide into 5th gear at around 100mph. The engine would go lean, the r's drop off, and then rebound in hurry. Instant stomach flip.

                        I never had enough road to see how fast that car was. I had to pull a maneuver one time where the throttle was the way out. By the time I had the ability to take my eyes off the road and was out of dodge, and lifting off the throttle the needle was coming down past 125.
                         
                      • MuuMuu101

                        MuuMuu101 Well-Known Member

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                        135 mph at Willow Springs. The gauge is really funny in a '68 Dart. It slowly climbs to 95 mph then drops to 120 mph where the needle maxes out. Lol.
                         
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                        • jos51700

                          jos51700 Well-Known Member

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                          Well, it doesn't say that.....
                           
                        • oldkimmer

                          oldkimmer Well-Known Member

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                          I was clocked at 143 mph with my 70 swinger 340. Kim
                           
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                          • 1969383S

                            1969383S FABO Gold Member FABO Gold Member

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                            That’s crazy.

                            106 was my best trap on the 1/8 with the Fish. That was enough with the skinnies up front. Got that kinda speed in the SuperBee and it was floating to much. Those days are gone!