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  1. dukeboy_318

    dukeboy_318 Our Lives, Our Fortunes and Our Sacred Honor. FABO Gold Member

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    Gotcha.

    Alright I'll jump in for the poly boys.

    1964 Polara rust bucket
    Weight estimated at 4200 pounds, will get exact figures later.- +.9
    2.76 rear gears.=TDC
    Tires 27inch= TDC
    Elevation is 680 ft above seal level= TDC
    318 Poly= TDC
    factory 4 barrel= -.4
    Stock Exhaust= TDC
    Rest of engine is stock = TDC
    Stock 727 PB= +.3
    Stock Converter= TDC

    Total: 16.7
     
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    • GreyWizard

      GreyWizard Well-Known Member

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      Humm, I dunno about some of the index adjustments. If I read this correctly, If I put a set of Speedmaster heads on a bone stock 318 2bbl, I will cut .8 off my 1/4 mile time?
       
    • 318willrun

      318willrun Roadkill '80 D150

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      I think it's assumed if you put SM heads on your car, you've probably built matching components.
       
    • dusterbing the peace

      dusterbing the peace FABO pyrite member

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      The maths worked out to 11.8...my best pass was an 11.97 near the end of the season with a DA closer to actual elevation. Hoping to get a bar put in next month in preparation for a stroker in the coming years-expecting the added weight to cost me some ET. Can't put a price on safety though I guess (unless you're my chassis guy)
       
    • 318willrun

      318willrun Roadkill '80 D150

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      wow.... shows how close the chart gets it... :)
       
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      • dart_68

        dart_68 Well-Known Member

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        Matching components...yes. But I think the gist of the question is alluding to is that not all aluminum heads are equal but are getting an equal penalty. Would a set of SM heads equally compare to a set of Victor or Trick Flow heads?
         
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        • 318willrun

          318willrun Roadkill '80 D150

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          I think this is a "ball park" penalty box that allows all people to play and have a chance. Be it a '77 318 2bbl 4x4 truck, or a 340 Duster that's hopped up, you have a chance to be competitive. To break every aspect of every build down to a science would have 15 pages of charts to sift through, and then what about air quality of two tracks at the same altitude? ? ? . As it states, no prizes, no entry fee, it's just for funs.
           
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          • j par

            j par Well-hung Member

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            It's very possible to be at the back end of almost every penalty and end up with a charted time that is virtually impossible for your car to achieve... Ask me how I know...
             
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            • dukeboy_318

              dukeboy_318 Our Lives, Our Fortunes and Our Sacred Honor. FABO Gold Member

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              One thing I’m not clear on, how is the “winner” decided?
               
            • j par

              j par Well-hung Member

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              That's easy, the closest to their calculated time..
               
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              • dukeboy_318

                dukeboy_318 Our Lives, Our Fortunes and Our Sacred Honor. FABO Gold Member

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                That’s what I thought, just checking
                 
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                • j par

                  j par Well-hung Member

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                  I think a better question is how was the original time figured out of a 15-9 or whatever for a automatic 318 car weighing 3300lbs?...
                   
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                  • dukeboy_318

                    dukeboy_318 Our Lives, Our Fortunes and Our Sacred Honor. FABO Gold Member

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                    Pretty sure that was the factory advertised e/t
                     
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                    • 318willrun

                      318willrun Roadkill '80 D150

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                      THat came from the original 318 race I did in 2017. I ran a stone-stock 318 2bbl in a B-body and ran a 15.9. 904/2.94
                       
                    • 318willrun

                      318willrun Roadkill '80 D150

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                      Or usually to win you'll have to run the number or exceed it by a few tenths...
                       
                    • motorpirate

                      motorpirate serial mopar owner

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                      Dany and I are in!!!
                      We made a LOT of changes since 2018 so hang on..
                      Weight =3300
                      Gear =3.55 -.5
                      Magnum 360 block -.9
                      4bbl -.4
                      Headers -.4
                      EQ heads -.6
                      Cam -.6
                      Converter -.4
                      Total penalty = 12.1
                      We are at the bottom of all the penalties so Dany has her work cut out for her this year!!
                      Her best last year with the above motor and the stock converter was 14.54 @ 97.70 so she is gonna need to work on that '60 foot time!!!!
                      If I can goad her younger brother into it we will enter him too. 20190811_102336.jpg
                       
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                      • 318willrun

                        318willrun Roadkill '80 D150

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                        cheering for ya! you did pretty good last year.... :)
                        https://1drv.ms/x/s!AutzHxVbMu5mgc9Quuw06MM0ygwbmQ
                         
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                        • aaronk785

                          aaronk785 Well-Known Member

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                          I'm in. How do I sign up.
                           
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                          • Stephen Hotz

                            Stephen Hotz FABO Gold Member FABO Gold Member

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                            Look at the penalty box attachment in post one or it is also in post 2.
                            Figure out what additions or deduction you need to make. List it and your index in a post.
                             
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                            • aaronk785

                              aaronk785 Well-Known Member

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                              68 dart gt, 3350 lbs, 3.91 gears, 26.5 tires, 1000 elevation, 340, 4bbl, headers, j heads, .555 lift cam, 3.31 stroke, 904, 4500 tc, stock vb. 12.00 index. I'm not close. But it will keep me motivated. I need to lose some weight.
                               
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                              • flyfish

                                flyfish C8H18+N2O = :-D

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                                I would love to "play", but as I read down the list of penalties I noticed it says 93 octane....my car is a street car, but it runs on e85. :(
                                 
                              • 318willrun

                                318willrun Roadkill '80 D150

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                                that is interesting...…. E85.... What do you think the gains are for E85 ? Not horsepower, but ET wise?
                                 
                              • mderoy340

                                mderoy340 Well-Known Member

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                                As far as I'm concerned e85 is pump gas.
                                 
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                                • GreyWizard

                                  GreyWizard Well-Known Member

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                                  I agree. The 97.70 suggests there is more E.T. in that car.

                                  My best last year was a 14.61. The mph on that pass was 91.99. I do however have these...
                                   
                                • motorpirate

                                  motorpirate serial mopar owner

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                                  The were on our to do list...then the trans went.
                                  We have an A998 we are building for it but I ruptured my Achilles pushing my sons truck (a Ford, for the record!!!) So finishing that is on hold for the moment.
                                  If we don't have the $$$ after the trans for drag radials I may take a page out of 318willrun's playbook and try slapper bars!!!
                                   
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