Post 11 second small block combos

Mopar Racers Forum

  1. Walker434

    Walker434 Well-Known Member

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    I think I can post here now. Finally ran the Dart in some good air this weekend. Only problem is I was on an 1/8th mike track but I think this would have been good for an 11 second pass if I were on a 1/4 mile track.

    Car went 7.48 at 90 mph. 1.54 60 foot

    The best news is that I beat a 1965 Pontiac Lemans 455. He was gutted interior, no hood, no I inner fenders, open exhaust, ect.

    The Dart is full interior, all steel, flat hood, quiet 2.5 exhaust all the way to the bumper.

    5.9 junkyard magnum engine with 92,000 miles. Bone stock bottom end. EQ heads, air gap intake, Holley 750 DP, comp roller 230/234 @ .50, .506/.513 lift. Cheap summit 1 5/8 headers, 904 with an Ultimate 3,800 stall converter, 3.91 sure grip, SS springs, 90/10 shocks up front.
     
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    • stroked340

      stroked340 FABO Gold Member FABO Gold Member

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      Man,those are some nice numbers the converter and 3.91's are the key..that 7.48@90 translates to a 11.85@111 in the 1/4 mile nice job:thumbsup::thumbsup:
       
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      • Walker434

        Walker434 Well-Known Member

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        Yeah I love this converter. Drives like a stock one on the street until you stomp on it.
         
      • stroked340

        stroked340 FABO Gold Member FABO Gold Member

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        Lenny is the"man" when it come to converters:thumbsup::thumbsup:
         
      • moparmanestock

        moparmanestock Well-Known Member

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        Update. Almost there! Changed to IMM RHS heads and Comp hyd roller last year. Still running 380HP 360 shortblock.
        Ran last weekend, on a good track surface.
        Ran 1.46 60', 6.93 @ 97.18 in 1/8th, 11.003 @ 120.9 in 1/4.
        It was a day race, DA was 2584, 72 deg. Maybe next night event?
        Car weight 3100#, 11.5x30.0 tire 4.56 gear.
         
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        • mderoy340

          mderoy340 Well-Known Member

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          What were you running before the head and cam change?
           
        • rumblefish360

          rumblefish360 So close, yet so far away

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          What do you mean almost there? Posting in the 11 second with an 11.03 sounds like you made it....
          Oh wait! LMAO.... looking for 10’s then are we? <G>
           
        • moparmanestock

          moparmanestock Well-Known Member

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          11.60s,11.70s with unported stock 2.02 heads and .508/292 Mopar hyd cam.
           
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          • moparmanestock

            moparmanestock Well-Known Member

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            Guilty, yes I would love to see a "10" with that 360. If not, may have to go stroker.
             
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            • rumblefish360

              rumblefish360 So close, yet so far away

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              A lot of converter then? Tell us more details of that engine. What other mod were done?
               
            • rumblefish360

              rumblefish360 So close, yet so far away

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              • moparmanestock

                moparmanestock Well-Known Member

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                ATI 8" 4600 stall converter, the shortblock is Mopar original,10 year old, original rings and bearings, cast crank, stock rods, Hyperuetectic (sic?) pistons. Holley 750, M1 SP intake, TTI stepped headers. Shifted at 6200 rpm.
                 
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                • rumblefish360

                  rumblefish360 So close, yet so far away

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                  7.63 - 6.99 are 11’s in the 1/4 roughly?
                   
                • MrMoparMan

                  MrMoparMan Well-Known Member

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                  Finally made it into the 11's (Barely :)

                  1969 Dart GT
                  3800 LBS with driver.
                  340, .020 over.
                  Factory forged crank.
                  Eagle H-beam rods.
                  TRW forged pistons, (10.2 to 1 compression).
                  Hughes Roller Cam: 228/228 @ .050, .550 lift, 116 LSA.
                  1.6 roller rockers.
                  Ported Edelbrock Heads.
                  Cometic head gaskets with ARP studs.
                  Mopar M1 intake drilled for multiport injection.
                  800 CC injectors.
                  1000 CFM throttle body.
                  Spectra cone air filter.
                  Generic GM sensors: TPS, IAT, CTS.
                  MSD 2 bar map sensor.
                  Basic OEM distributor with magnetic pickup. Fixed, no mechanical or vacuum advance.
                  FAST XFI 2.0 computer tuned with E85.
                  Cheapy 15 dollar autozone spark plug wires.
                  MSD Coil.
                  Small engine champion spark plugs (edelbrock recommended size).
                  Hedman block hugger headers, 2.5 inch outlet.
                  2.5 inch up pipe, T4 turbo mount.
                  3.5 inch to dual 3 inch down pipe, full exhaust.
                  Borg Warner s300, 66mm Turbo.
                  Tial 44mm wastegate.
                  15 PSI Boost.
                  Air/Water Intercooler.
                  46RH transmission.
                  2400 stall, lock up converter.
                  8.75 with sure grip 3.55's.
                  HDK front end, power steering.
                  Wilwood 12 inch front brakes.
                  17x8 torque thrust wheels
                  255/50R17 Nitto 555 non drag radials.
                  Driven 40 minutes to the track.
                  ~1.5 psi boosted launch, 6000 RPM shifts.
                  1/4 mile at mile high Bandimere

                  n94Sd841Pn9Aye9yg0eJM-5ld3ZorTdzSkbODpalloI1_qVwCJ2eqbw1u-ChvS7JE4WnBMR5n0Ipxl8zJn=w1160-h870-no.jpg
                  Y4IsYqyzu2qeztSieTwtTR6lQpa2IMiQSe6HvpxPfkgWxcAZI4mcvMQFNiezbfn4VaA3NZjbGhuqc1QJYb0=w653-h870-no.jpg
                   
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                  • rumblefish360

                    rumblefish360 So close, yet so far away

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                    Whoa! What a LIST!
                    Freakin nice bro! Congrats as well.
                     
                  • SBDart

                    SBDart Well-Known Member

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                    A63356A5-D36A-473C-8591-0ED165057C22.jpeg 5C96D5F9-9C5F-4DBC-8C0F-A9699E223AFD.jpeg My old 71 Dart best it ever ran was in the 1/4 was a 12:03 but my 1/8 m was 7.62
                     
                  • SBDart

                    SBDart Well-Known Member

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                  • mbaird

                    mbaird mbaird FABO Gold Member

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                    The clock doesnt start until your tires break the beam. So it doesnt matter how long it takes you to hit the gas.
                     
                  • stixx

                    stixx Well-Known Member

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                    Very nice car! Yeah, and what a list... :)
                     
                  • Cudafever

                    Cudafever Well-Known Member

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                    OK so i have decided to post up my 11 sec car even tho it's not a Abody. is however a A (LA) eng
                    408,
                    forged crank rod and piston
                    12.8:1 compression
                    Hyd roller cam .561 lift, 247 @.050 duration cam.
                    Rhs heads with 2.02 intakes
                    single play manifold
                    850 demon carb
                    Aftermarket pan no windage tray
                    727 with cheetah manual rev valve body.
                    3500 stall(at the time)
                    8-3/4 W 4.56 Gears
                    26X10X15 M/T slick
                    Super Stock Spring
                    Adj pinion snubber
                    MPP Drag Shocks(rear
                    old stock front shock
                    car weighs 2860 with my lard as in it.
                    Raced a RMR 4400 foot elevation (will be yet another DEAD Race track by the end of this season)
                    11.96@112 mph
                     
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                    • Widoww

                      Widoww Member

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                      So my 75 dart sport with a 408 indy 360-1 heads and a qft 750 has been running 11.550-11.69 all summer long, in high humidity it's been low on mph 114-117 over last years 118+. Over the wknd combing over the car. Decided to give the carb another go. It's been an issue going full throttle. I've tried different cables (lokar) and I'm back to my stock now. It finally fully opens 100%. It was roughly 65-75% throttle all summer long. Throttle attachment point on linkage was hitting linkages effectively throttle stopping me. So make sure everyone double checks these things. I'm new 3 yr ownership and 40 passes deep on a carb setup. Learning as I go.

                      Here's 4 passes. First 2 high humidity and 27 celcius feeling like 36+ DA well over 3000

                      Last 2 passes. DA under 900, temperature 15 celcius. No humidity.

                      20180811_091744.jpg

                      20180811_091751.jpg

                      20180909_190736.jpg

                      20180909_190754.jpg
                       
                    • Cudafever

                      Cudafever Well-Known Member

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                      compression, cam, stick, auto,stall
                      Inquiring mind want to know.:steering::thankyou:
                       
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                      • Widoww

                        Widoww Member

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                        11.3:1 94 octane pump gas. Comp cams off the shelf retrofit hydraulic roller. 236/242@050 540 lift, 110 lsa. Auto 727 forward manual valve body, 3500 stall. 390 gears. 28 tall tire.
                         
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                        • 68DART365

                          68DART365 Member

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                        • 68DART365

                          68DART365 Member

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                          360 KB 107 pistons at zero deck. Eagle I beam rods, Stock crank, 63 cc Edelbrock performer RPM heads CNC ported by Modern Cylinder Head. MP 590 solid cam, M1 intake, comp cams magnum rockers, holley 950 hp, hedman 1 7/8 headers with X pipe full 3" exhaust. Hoosier QTP 28x11.5x15. 4.10 gear. 904 with 8" PTC converter. Best of 11.07 @ 123 pump gas
                           
                          Last edited: Oct 7, 2018
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