Post 11 second small block combos

Mopar Racers Forum

  1. Toluene56

    Toluene56 Well-Known Member

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    Update ish..
    11.72@114.12 @ 7,859ft DA...still all steel minus back seat.
     
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    • 12many

      12many If I Only Had The Cash.......

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      What top end stuff did you break??
       
    • Toluene56

      Toluene56 Well-Known Member

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      Few things... But the one that really pissed me off was the helicoils for the rocker shafts were pulled out and Bam. Not gonna use bolts again. lol
      IMG_20190527_151012657_HDR.jpg
       
    • rumblefish360

      rumblefish360 So close, yet so far away FABO Gold Member

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      Holy snikes!!!!
       
    • 12many

      12many If I Only Had The Cash.......

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      What was your assessment? Soft aluminum, poor threading and helicoiling? Not enough bolt thread engagement?
       
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      • Toluene56

        Toluene56 Well-Known Member

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        I'm guessing poor threading and helicoil.. I threw the heads in a box, i'll trya nd fix them later, maybe i'll get lucky and use them on another engine.
         
      • 12many

        12many If I Only Had The Cash.......

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        What were the springs, cam lift and rocker ratio specs you were running? Thanks
         
      • Toluene56

        Toluene56 Well-Known Member

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        Howards solid roller, .640/.645 1.5 rockers.. can't remember the springs, but they were even on the light side for a solid roller cam.
         
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        • Landy Duster

          Landy Duster Well-Known Member

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          73 Duster , former drag car, converted back to a street car, front seats only. 3240 pounds with me and a full tank of E85. Stock bottom end 318 Magnum, 150k not rebuilt, $150 Craigslist shortblock. GT45 turbo, 2-1/8” OD crossover. Stock cracked heads (they didn’t leak with alcohol in the chambers), kegger intake, stock throttle body. Megasquirt 1 controlling fuel only lean burn distributor to lock timing at 20 BTDC, MSD 6-AL. Comp shelf cam,(.506 lift with 1.6, 216 224 @.050, 114 LSA, better valve springs, ARP head studs, Cometic head gaskets. PTC 9.5” 904 converter, A999 trans, 8-3/4” with 3.23 gear 35 spline spool, 35 spline Strange axles. Mini tubbed poorly, springs relocated, Cal Tracs, split mono-leafs. Stock rear shackles. Stock tank with 1/2” pick up and a 3/8 return. 80 lb hr injectors, AEM 430 E85 pump. 3/8” supply and return lines. Non intercooled, car is not cut. Mickey ET Streets 325-60-15.

          Slip is on 20 psi. Ran 121.63 on 15 psi.

          EE5EDCC7-B354-4431-BAD6-243C47A0EA5B.jpeg
           
          Last edited: Mar 6, 2020
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          • Landy Duster

            Landy Duster Well-Known Member

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            11.48 pass on 15 psi.

             
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            • Landy Duster

              Landy Duster Well-Known Member

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              I do have to make a correction, right now I have the PTC converter in, during these passes there was what I think is a 4500 stall j converter. I sort of blow thru it in the video, hopefully it won’t be as bad and I make a 10 second pass with the Craigslist engine.

              Eventually I will build a better engine (goal is a low low 10 second car in hot weather) with forged pistons, better rods and a forged stock stroke crank.
               
            • rumblefish360

              rumblefish360 So close, yet so far away FABO Gold Member

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              What size turbo?
               
            • Landy Duster

              Landy Duster Well-Known Member

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              69mm compressor, 83mm turbine I believe, $200 China turbo.
               
              Last edited: Mar 8, 2020
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              • 70aarcuda

                70aarcuda Master Hoader of SBM FABO Gold Member

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                1975ish Duster....has 70-71 front grill and bumper on it...

                360 .030 with seal power h116cp pistons...5/64 ring pac
                Chinese cornoavirus free h beam rod....725 grams
                Speedmaster CNC bare....local machine shop did valve job
                PAC 1903 springs....
                Speedmaster 2.02/ 1.60 valves.
                Speedmaster steel retainers and locks
                MP 571 oval cam shaft...P4529973
                Crane 1.6 intake 1.5 exhaust
                Holley SD with QFT 750 dp on E85
                MP race electronic distributor with msd 6l
                TTi 1 5/8 stepped headers
                TF 904 with 2.74/1.54 gears....8 3/4 4.30 rear gears
                8 inch converter...ptc i think...lol
                9 x 28 mt slicks.....
                3000 lbs with driver....still has heavy rear bumper...

                Ran 11.192 at 118,56.....probably a 10.90 at sea level....
                 
                Last edited: Mar 12, 2020
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                • rumblefish360

                  rumblefish360 So close, yet so far away FABO Gold Member

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                  What did you have for cylinder heads and any work to them?
                   
                • Mopar Sam

                  Mopar Sam Well Fed Member

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                  If you get any parts wrapped in bubble wrap, don't pop it! You don't know what might be in it...
                   
                • 70aarcuda

                  70aarcuda Master Hoader of SBM FABO Gold Member

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                  I updated the engine specs....
                  and the rods were in plastic bags...have had them over 5 yrs now...
                   
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                  • w2dodge

                    w2dodge Well-Known Member

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                    I haven't been on in a long time....69 swinger ...factory 340 4sp....well that was many years ago...lol...
                    340 with: 318 dump truck crank...JE pistons 11:1..factory rods... .20 over...roller comp cam .605 lift..crower lifters.
                    W2 race heads..2.02 Manley valves..I ported and polished them...mopar intake..750 holley...
                    904 trans...4.88 moser axles..3200lbs...
                    just tested once at Atco many years ago...she ran 11.50s 116mph easily...with mufflers and 275 M&H street slicks...I think she might see 10.90...she ran lean I jetted it and it needed more...I figured open headers use the trans brake...and slicks...and a 850...
                     
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                    • Toluene56

                      Toluene56 Well-Known Member

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                      Updated time

                      11.57@117.8mph at 6989-7100ft da (multiple sources showing different DA)
                       
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                      • Toluene56

                        Toluene56 Well-Known Member

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                        Last update till I hit 10s.
                        Locked timing at 32, adjusted caltrac bars and shocks.
                        6942ft DA car #299
                        24999.jpeg
                         
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                        • Valiant65blower

                          Valiant65blower Active Member

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                          318
                          Bored 030
                          360 heads. 1.88/1.6 valves. Ported
                          Kb399 pistons
                          Scat-i rods
                          Stock crank
                          Comp xs282s cam
                          Headers
                          Tunnel-ram+2*465carb
                          Tf 904 manualvalvebody
                          4000stall
                          4.11 rear end
                          Stock suspenssion= Leaf springs

                          Best et 11.85/184km/h 184km/h= +114mph
                          Car weight 1200-1300kg = 2650-2850lbs
                           
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                          • 12many

                            12many If I Only Had The Cash.......

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                            1967 Dodge A100 panel van 410 (Blueprint LA short block .040” over approx 9.8:1) Iskenderian 280 adv/ 232@.050” .517” lift (w/1.6 rr) 106LSA/102 ICL, mildly ported 1.92/1.62 valved EQ Magnum heads (LA intake style), Comp Cams 1.6 Roller Rockers and related valvetrain components, unported Edelbrock RPM AG, AED 750HO dp, Dougs D453 headers w/12” long 3” dia extensions, Crane HI-6N ignition, FABO plate on Chrysler electronic dist w/22 initial, 32 total, cold air intake/air box, 727 w/Transgo manual VB, Turbo Action S-800 10” 3500 tight converter, 4.10 8.75 sure grip. At Rockingham Dragway (elev 426’) multiple December 2019 55 degree weather runs in 11.75-11.82 @ 110-112 range, weight at that time with driver was 3570lbs give or take. July 25,2020 run in sweltering 90 degree heat, same setup but with van weight reduction of 200 lbs (now 3370 lbs w/ driver, 3150 lbs van only) and addition of double adjustable QA1’s front/rear, only run I got in was a 11.98 @ 109+ Was setup for a better run in the slightly cooler evening but had line lock brake drag issue and ended up running a throwaway run. Will be shooting for runs in similar cooler weather come fall for a better apples to apples comparison (from the 200 lb weight reduction as well as learning the shocks) So high 11’s now, with weight loss, shocks and better temps I’m hoping for something in 11.6@113 range maybe better :)

                            B21F67D7-4790-4AD1-9621-9896DC0D4891.jpeg
                             
                            Last edited: Aug 1, 2020
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                            • mopar65

                              mopar65 Well-Known Member

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                              I was hoping i would of got to add my build to the small block 10 second post. But for now I will have to post here.

                              I have a 96 SB 2 wheel drive Dakota.i am guessing 3400 pounds with me in it.
                              2000 360 magnum block
                              Factory cast crank
                              Stock rods
                              Stock bore with KB107 pistions
                              Comp 550 solid lift
                              Smith Brothers 3/8 push rods
                              Out of the box trick flow heads.
                              PRW 1.6 Roller rockers
                              Ported indy cylinder head single plane intake
                              Holley 650DP ported to flow 800cfm
                              2 inch super sucker carb spacer
                              Hooker 1-5/8 headers
                              Turbo action built 904 transmission, stock gear ratio
                              Coan 8 inch converter, 5500 stall
                              Ford 8.8 rear-end full spool, 4.30 gears
                              Weld prostar wheels 15x3 front, 15x10 rear
                              Hoozer 28x9x15 slicks. Best pass so far has been
                              60 foot 1.57
                              1/8 mile 7.15
                              1/8 mph 95
                              1/4 mile 11.23
                              1/4 mph 115

                              20200926_135453.jpg

                              20200926_135513.jpg
                               
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                              • mopar65

                                mopar65 Well-Known Member

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                                I love this picture. Lol Screenshot_20201004-115521_Facebook.jpg
                                 
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                                • stixx

                                  stixx Well-Known Member

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                                  Still mighty fast for a Dakota with a stock crank and stock rods! :thumbsup::thumbsup:
                                   
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