Post 11 second small block combos

Mopar Racers Forum

  1. 71ruster

    71ruster Member

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    2000 5.9 stock heads and compression ratio
    Fast X.F.I. fuel injection
    Fast 36lbs injectors
    Fast dual sync dist.
    NOS dry .042 jet
    Hughes HER1418 roller cam
    Hughes 1.65 shaft mount rockers
    Mopar 2 barrel air gap intake manifold
    Accel DXI ignition
    727 transmission
    3.91 gears , Ricmond locker diff
    3110 pounds no driver
    BFG 275-50 drag radials
    Wilwood 11 in 4 piston disc brakes
    Rear disc brakes
    I drive it to and from the track
    11.83 -112.92
     
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    • HaLB

      HaLB Member

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      I have a 340 with a cam I lost the card to. Solid lifters with old 273 rocker shafts. Had a lil water in oil after last build. ever hear of leak on intake going into valley down into pan.
       
    • Pana.Mopar

      Pana.Mopar Duster Down Under

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      Fricken hell, I'm doing something wrong then with my combo. Theyre awesome numbers..
       
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      • mderoy340

        mderoy340 Well-Known Member

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        Went racing with my brother last night and had a blast. Both of our cars run low 12 and high 11s depending on the air so we got a few close fender runs in.

        New best for me:
        60' 1.626
        1/8 7.513
        1/8 MPH 90.73
        1/4 11.873
        1/4 MPH 112.13

        67 Dart 2dr post all steel guessing 3360k for weight.
        360 Magnum roller, 9.3:1, OEM magnum heads milled .010, .028 head gasket, stock valves, MP crate motor springs, ported by me at home.
        Knockoff airgap, demon 650 DP, Lunati roller steel core custom grind 234/236 .495/,475 lift. 108 LSA/106 ICL
        999 low gear set, TF2 shift kit Lockup circuit disabled, Turbo Action 10" 3200-3400, 3.91 SG, 27in MT drag radial, Mancini SS springs, 8.75 axle moved back .75", battery in trunk.
        Car is a blast, street driven 50 miles to the track.
         
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        • jimbo17

          jimbo17 Active Member

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          Went to the drags tonight and set a new best time.
          1974 VJ Charger 2900lbs 410 small block Edelbrock heads 10.5 forged pistons, Hughes roller hydraulic cam 228 @ 50thou 530 lift, pacemaker Try Why headers, 5speed TKO600, borg warner 7.5 diff with 3.91 gears. 1.63 60ft, 11.53 @ 119 mph.
          I am a bit disappointed with myself as on my last run I went a 1.575, 60ft but missed third gear shift and only did 11.7. I recon without this missed shift I would have done a 11.3 What do you guys think?
           
        • Abodybomber

          Abodybomber Breaking street machines , since 1983.....:) Legendary Member

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          Nice combination,mild cammed small block,light car,mild nitrous hit.My favorite combination,power where you want it,when you want it....
           
        • perfacar

          perfacar Well-Known Member

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          up
          update, woodburn , Oregon, 11.18, 116. normal air.
           
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          • joes68340s

            joes68340s Well-Known Member

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          • Abodybomber

            Abodybomber Breaking street machines , since 1983.....:) Legendary Member

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            Saw the video,love it.My combos damn close to yours...
             
          • mderoy340

            mderoy340 Well-Known Member

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            Thanks. I have a lot of fun in that car. Currently tuning a Demon 750DP to try and get more out of it.
            I've lost 3 tenths running in the hot air this summer and trying all kinds of tunes for crap air.
            Ran the car last night and it was still 82* at 10 PM. Track is 100 feet above sea level.

            Density Altitude: 1754 feet above sea level
            1/4 mile ET: 12.165 seconds
            1/4 mile trap speed: 110.10 MPH
             
          • 68 340

            68 340 Well-Known Member

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            ET: 11.5@115 MPH with 1.57 60-foot time

            My combo is provided below.
            1968 Formula S Barracuda with complete stock interior. Vehicle weight is 3450 with me in the car and a 1/2 tank of gas.
            8 3/4 rear axle with 3.91 rear gear
            XHD rear springs and Mopar rear shocks
            Frame tied with custom frame connectors
            90-10 shocks up front, stock torsion bars for 340
            15 255 60 Mickey Thompson Drag Radial Tires (ET Street)
            727 transmission with manual valve body, bolt-in sprag and heavy duty parts
            9.5 Frank Lupo Converter 4,200 RPM

            340 engine block with bores @ 4.070 (416 cubic inch displacement)
            4.0 Forged K1 crankshaft
            Forged Ross pistons
            Scat I beam rods
            Lunati hydraulic flat tappet cam. Duration @ 50 is 242 intake, 252 exhaust
            Edelbrock Heads with competition valve job and 55 cc combustion chambers. No port work. 11.27 static compression, 8.80 dynamic compression
            Edelbrock RPM Air Gap intake
            825 cfm Mighty Demon Carb
            TTI step headers with 3-inch X-pipe exhaust
            Kevko Oil Pan

            Hook Fish.jpg
             
            Last edited: Sep 13, 2016
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            • 1972_Demon

              1972_Demon Demonic Member

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              I almost bypassed the 11 second bracket all together. My old 360 combo was running 12.1 @109 mph.

              New combo with the 416. A little more tuning and I'll be seeing some 10s but that will have to wait until spring.

              1.61 60'
              7.02 1/8th
              98.03 mph
              11.06
              120.67 mph
               
            • o1heavy

              o1heavy 1974 dart sport

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              combo info please
               
            • rumblefish360

              rumblefish360 So close, yet so far away FABO Gold Member

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              Really! WTF?!?! No combo?

              BOOOOOOO

              (LMAO!)
               
              Last edited: Dec 2, 2016
            • 1972_Demon

              1972_Demon Demonic Member

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              Here is the combo for the 416.

              CNC ported Edelbrock RPM heads
              Super Victor EFI intake with 1000 cfm TB
              EMSPro (Megasquirt) controlling fuel and timing
              60 lb injectors
              10.75:1 compression
              Lunati solid roller .600 lift, 255/263(int/exh) duration @ .050
              Hughes 1.6 rockers
              MRL lifters
              904 with manual vb and 3800 converter
              4.10 gears
              Caltrac bars
              325-50-15 drag radial
              93 pump gas
               
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              • rumblefish360

                rumblefish360 So close, yet so far away FABO Gold Member

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                OH DANG! Have you been looking at my build specs! Except for the F.I., that's my cam, compression etc....
                I'll be running a ported 6 pack intake. What did you do for headers?
                I have Hooker Super Comps. (1-3/4 tube.) 4 spd car.
                 
              • 1972_Demon

                1972_Demon Demonic Member

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                I'm also running Hooker 1-3/4" (5204) for headers.
                 
              • blu340dart

                blu340dart MoBro. Inc.

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                416 stroker= 1972 340 block 0.30 over with a forged eagle crank, H beam rods, mahle pistons, custom Comp cam with .620 lift, full ported and polished Edlebrock heads, 750 Proform DP, Air Gap manifold with fresh air from the hood scoop and TTI step headers into 2 1/4 exhaust all the way out back into stock tips. Trans is a 727 with a forward manual VB shifted at the column, Coan 3000-3500? convertor going back to a 3.73 clutch style SG in an 8 3/4 with 11x2 1/2 brakes and 002/003 superstock springs with snubber. Custom frame connectors and driveshaft loop. 69 Dart with complete interior and stock suspension with stock style disc brakes up front and weighing about 3200#. Only changes at the track are 26x9.5x15 Hoosier quick times in back and 25" skinnies up front. Best so far: 11.28 through the full exhaust and 11.06 with open headers with no tuning, should hit the 10's with a tune for open headers. Best 60' 1.47
                 
                Last edited: Dec 30, 2016
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                • BVoelzke

                  BVoelzke Dart Racer

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                  Update from post a few years ago: 68 Dart owned for 35 years come August. 3150 lbs with driver, bench seat , 8 pt roll bar, frame connectors, fiberglass hood, trunk lid and bumpers, mini tubbed, 408 ci, R3 Block, Indy 360-1 heads and Intake, Eagle rotating assy, 600 lift mech.cam, 91/2 to 1 comp. made 538 hp and 502 tq on dyno on 93 octane pump gas,750 hp carb, Product Engineering fuel pump. 8 gallon cell, Tubular Automotive 1 7/8 headers, Flowmaster 40 mufflers. 904 T/A manual valve body, aluminum deep pan, T/A Cheetah shifter. CSR shield, Ultimate prepped 8 inch convertor 4,800 stall, narrowed/braced 8 3/4 4.10 gears M/W axles and spool, Wilwood brakes, Cal Tracs, Rancho shocks, Hoosier QTP tires , runs consistent 11.50s at 114, 1.49-1.54 60fts on throttle stop 10.70s off stop

                  IMG_1068.PNG
                   
                  Last edited: Feb 3, 2017
                • Dartster66

                  Dartster66 FABO Gold Member FABO Gold Member

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                  IMG_2009.JPG IMG_1993.JPG 70 Dart Stock interior with 8pt cage 3230lb
                  360 Hoover Design (340 pistons zero deck in a 360 block)
                  TTI headers
                  244/252 dur .540 lift
                  XO home ported heads
                  9.5:1 cr
                  Airgap
                  650 Quickfuel
                  4:30 gear
                  727 trans
                  MSD AL6

                  IMG_2009.JPG
                   
                • rumblefish360

                  rumblefish360 So close, yet so far away FABO Gold Member

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                  Roller cam?
                  How much stall?
                  Tire size?
                  Thanks!
                   
                • Dartster66

                  Dartster66 FABO Gold Member FABO Gold Member

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                  Sorry for the shortcomings,
                  28" MT slick
                  3400 stall
                  LA Flat tapet solid cam
                  Pump gas
                  SS Springs
                   
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                  • Widoww

                    Widoww Member

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                    First time outing in my 75 Dart Sport Hang 10 went well I think. Owned it for 3 years now. Did alot of reworking and rebuilding everything.

                    410 CI, 4 inch scat crank and SRS flat top pistons supposed to be around 11.3:1 but I think it's in the 10s.
                    Indy 360-1 heads that flow 280 cfm @600 only.
                    Indy M1 Intake
                    W2 TTI 1 7/8 race headers running through 3 inch into magnaflow canister style straight thru race mufflers. W/ turndowns.
                    94 Oct pump gas.
                    Hutch Transmission w/fwd manual and 3500 stall converter. B&M oil pan
                    Strange Ford 9 inch back braced rear w/ 35spline axles, full spool and wilwood disc brakes.
                    Calvert 90/10 shocks up front and cal tracs out back with 7 way adj shocks. Setting 5 cal tracs bottom hole
                    Car made 401 rwhp/396 tq unsure exact tq I don't have the dyno sheet yet.
                    QFT 750 cfm carb. Mechanical sec,
                    4.5 power valve,
                    Front jet 73
                    Rear jet 81
                    Timing 32 Degrees total.
                    Tires used : MT 2 yr old ET street Radial 275/60/15 on 15x10 rims. 15 Psi at the track. Been street driving these 2 yrs.

                    First pass she went 11.8 with a 1.8 60 foot.

                    5 total passes. 11.8 , 11.59, 11.57, 11.43, ending with 11.38

                    60 ft 1.6284
                    1/8th et 7.3071
                    1/8th mph. 95.09
                    1/4 et. 11.38
                    1/4 mph 119.67 mph

                    Car Weight 3090 lbs 3285w/me . 1/4 tank of fuel. I went yesterday with 3/4. Since no sump or cell.
                     
                    Last edited: Sep 3, 2017
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                    • stroked340

                      stroked340 FABO Gold Member FABO Gold Member

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                      NICE...what are you using for gears??..get that 60' down in the 1.50-1.40 and your talking 11.0's maybe high 10's..
                       
                    • Widoww

                      Widoww Member

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                      I knew I forgot some info lol

                      390 gears.

                      Comp cams 20-813-9 xr286hr grind number. Which is 236/242@050

                      Ibe got to learn to foot brake it harder and more agressive I believe as my 60s dropped each pass as I learnt.

                      Still got my Heavy 75 bumpers front and rear. Full steel car. No glass parts at all yet. Just no passenger seat and rear fold down all gone for now.
                       
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