2020 Small Block Penalty Box Race Sign Up

Mopar Racers Forum

  1. Stephen Hotz

    Stephen Hotz FABO Gold Member FABO Gold Member

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    Ok another year and another race. Thanks to @318willrun for starting this fiasco with his 318 race and then the 2018 small block race.
    Please remember this is for fun. If there are any problems with the system please refer those posts to 2020 small block race?
    the purpose of this thead is for Sign Up's. Questions related to how many tenths to add/subtract are welcome here. We are trying out some new things. Strokers are allowed this year as well as the 1/8 mile racers. Strokers get a manditory time reduction and the 1/8 mile guys get a conversion factor to multiply or divide by. Hope that works out.
    Race lasts from Jan. 1, 2020 to Dec. 31, 2020. This is for fun and there are no prizes. Please post a reply with your cars information and the additions/subtractions based off the penalty box. Once you go to the track and run you can post your time slips and we will put together a list of index to E.T. If you make changes to your car that will affect your index ie add aluminum heads instead of bone stock please post an updated index. As always have fun.


     
    Last edited: Jan 13, 2020
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    • Stephen Hotz

      Stephen Hotz FABO Gold Member FABO Gold Member

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      Penalty Box

      Nominal Car (TDC) Tenths E.T.
      LA 318-2 stock with 2.76 gears in a 3300 lb car (no driver) 100 % street at sea level (dual exh. ok) - 15.9

      Weight 3300 lbs no driver. Add + / Subtract - .1 per 100lb (round to the nearest 100) always no driver.

      Gear (2.45-2.99) = TDC (3.00-3.49) = -.3 (3.50-3.99) = -.5 (4.00-4.49) = -.7

      Tires Height 25 inch - 28.5 inch =TDC 29 inch or more + .2 any D.O.T. tire OK

      Vans/Trucks + .3 for wind resistance on any full size Van or Pickup (dakota/durango is NOT full size)

      4x4 + .2 for 4x4's without loc-out hubs

      Elevation
      +.2 every 1000 ft. (use front numeral, no rounding) Do not figure air quality

      Blocks/Cubic Inches
      318 318 cubic inches is base (TDC)
      273 +.6 for using a 273
      340 -.5 for using a 340 block
      360 -.6 for using a 360 block
      Magnums subtract an extra -.3 from the C.I. section if you are using a magnum block

      Engine Build (LA 318 2bbl is Base Engine)
      Carb/intake -.4 be it a 4bbl, 6bbl, 2x4, FI, 360 2bbl, or anything other than factory 318 2bbl.

      Exhaust -.4 for headers

      Heads -.4 for worked 318 heads or stock 340/360/stock magnum heads
      -.6 for worked 340/360/magnum heads (EQ's fit here)
      -.8 for aluminum or W-2 type heads

      Cam 318 2bbl cam is base (factory magnum cams fit here)
      -.4 for ugraded cams of .480 lift/229 duration @50 or less
      -.6 for upgraded cams .481 lift/230 duration @50 or more

      Pistons -.4 for any overbore. Has to run pump gas of 93 octane or less to be street

      Cranks 273 -340 Must be 3.31 factory stroke. 360 3.58.
      -.5 for stroker cranks, this includes stock stroke crank in a block that did not use it from factory.

      Tranny
      904 904 is what is assumed in the TDC (nominal) car.
      727 +.3 tenths for 727
      OD/998/999 no penalty. Weight of O.D., and lock up with stock converters offset low 1st gear

      Converter -.4 for upgraded street convert of 2200-2900 stall
      -.7 for upgraded super street converter of 3000 stall or more

      Valve body -.2 for manual valve body

      Manual -.3 if you have a clutch

      Clarifications
      1) Car must be 100% street and remain that way at time trial. Street means pump gas, and cruising 1/2
      hour at 55 mph on summer day is no problem. No open headers/slicks.
      2) No power adders (boost/nitrous/high octane fuel)
      3)Definition of "worked heads" mentioned, means milling over .010, any porting/gasketmatching or
      larger valves.
      4) Traction devices including DOT drag radials are ok. No Penalty
      5) Hood scoops and fresh air are OK. No Penalty
      6) Any ignition upgrades are OK. No Penalty
      7) Honesty, just be honest. No purse, so keep your integrity
      8) + is add. - is subtract
      9)1/8 mile conversion factor is 1.5835
       
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      • 318willrun

        318willrun Roadkill '80 D150

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        I'm in, why not. I make all kinds of passes throughout the year....
        I'll enter 3 to start with.
        1. '74 Duster
        2. '76 Duster
        3. '89 Van
        • 74 Duster - 318, 4bbl, summit small cam, home ported heads, 904 w/stock converter 2.76, 3160 lbs, 14.6 ET chart index
        • '76 Duster - 360 w/360 heads, 4bbl, headers, small cam, 904 w/stock converter, 2.94, 3200 lbs 13.6 ET chart index
        • Van - Full size van, 360 magnum, 4bbl, cam, headers, 30" tires, Don't know the weight or gears yet, ? - ET
         
        Last edited: Jan 2, 2020
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        • Stephen Hotz

          Stephen Hotz FABO Gold Member FABO Gold Member

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          67 Coronet - 360 mag, mag heads, 4bbl, 904 w/stock converter, 2.94, weight unknown atm. E.T.
           
        • mderoy340

          mderoy340 Well-Known Member

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          I'm in. Car won't run the penalty but that's ok.
          • 67 Dart - 340 .040, 4bbl, 236@.050 cam, indy x iron heads, headers, 904/gvod 3200 converter 4.10, 3200 lbs, 11.5 ET
           
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          • SSG_Karg

            SSG_Karg Stuck in the middle

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            I love this game!
            •72 Duster, 3300lbs, 318 +.030, Comp XE268, Holley 650DP, Weiand Action+, headers, worked J heads, A833, 3.91SG, 275-60/15.
            = 13.1 (best pass to date is 13.6 @ 99mph)

            FA4B943E-AED9-47D7-8BCB-F0A1D3720FF5.jpeg
             
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            • furrystump

              furrystump Well-Known Member

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              The calculation seems pretty accurate if I did it right. Now the only question/suggestion I have is my car can run on 93 octane and can run 65 mph on the highway in 90 deg heat forever. It cannot make a pass with 93 octane. So to keep the sharks out of the pool maybe the run must be made with 93 octane? Sorry Never mind, it already says pump gas run.

              15.9
              Weight: 3200 lbs -.1
              Gear: 4:10. -.5
              Tires. 26.2. TDC
              Car. TDC
              4x4. TDC
              elevation. Aver TDC
              360 block -.6
              Carb. 4 barrel. -.4
              Heads. Ported. -.6
              Cam .558 lift. -.6
              Piston. .040. -.4
              Crank 4”. -.5
              Trans 727. +.3
              Converter. 3400. -.7
              11.80
               
              Last edited: Jan 2, 2020
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              • 68Dart500

                68Dart500 Well-Known Member

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                Is a A833 manual trans actually supposed to be +.3 not -.3?
                 
              • 318willrun

                318willrun Roadkill '80 D150

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                I believe -.3. I think the reasoning behind that is if you had a 318 2bbl duster 904 2.76's, and I have the same car but mine is a 4 speed, with traction I can come out of the hole at 4k rpms and I'd beat you. Now, as the auto gets built, you see he has massive deductions for MVB's, good converters, etc. So, in the end the auto has more deductions. But starting with the nominal car, the 4 speed has the edge with traction. And I agree with the chart.
                 
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                • Mr. Sinister

                  Mr. Sinister Devastation Manager

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                  :thumbsup: Gorgeous Duster there Sir:thumbsup:
                   
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                  • SSG_Karg

                    SSG_Karg Stuck in the middle

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                    I have to kindly disagree sir. If you leave at 4k with a 318 2bbl and a peg leg 2.76 you are gonna put on a smoke show. Let’s add traction you say. Ok with sticky tires or even with a sure grip that turd is gonna bog all the way down to stall speed of the auto car at least. I feel there should be no penalty for a stick car, and yes mine is a 4 speed.
                     
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                    • 318willrun

                      318willrun Roadkill '80 D150

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                      Respectively, I can tell you I've lined up Aspens, and other cars that were 318 2bbl stick cars against other 318 2bbl auto's in lighter cars, and the stick won easily. In fact, I've never had a automatic beat a stick when low horsepower cars are in stock form mechanically. Be it Ford Fairlanes, Dodge Daytona's, slant 6's, etc, etc. But it's Stephens race, whatever he decides :) P.S. - It won't bog down, because you don't dump the clutch. You ride the clutch a bit
                       
                      Last edited: Jan 2, 2020
                    • SSG_Karg

                      SSG_Karg Stuck in the middle

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                      :thankyou:
                       
                    • 318willrun

                      318willrun Roadkill '80 D150

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                      3 things about this I like:
                      1. I'm not running the race this year :D
                      2. I'm in the race :)
                      3. Your in the race again :)
                       
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                      • j par

                        j par Well-hung Member

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                        On the four speed subject is there any consideration taken for the three times that the stick shift has to be shifted? The shifts are not as fast as an automatic unless you have a slick shift transmission which most don't especially if your driving it to the track.. generally a tenth is lost in between each shift.. also it's not as easy to ride the clutch in a perfect slip like setting up a torque converter for the perfect launch RPM...
                         
                      • 318willrun

                        318willrun Roadkill '80 D150

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                        You joining the race ? Cool !!!!! We sign up on this thread.... :) 4 speeds are faster in low horsepower machines. IF they aren't, it's the driver.
                         
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                        • Stephen Hotz

                          Stephen Hotz FABO Gold Member FABO Gold Member

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                          Only changes made to the chart over 2018 are
                          1. the stroker crank definition and deduction.
                          2. Conversion factor for 1/8 to 1/4 mile.
                          Posts have been up on the 2020 small block race?
                          thread for comment and feedback for several months.
                          Thank you for joining the race.
                           
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                          • j par

                            j par Well-hung Member

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                            So the + 3 is for low horsepower only?
                             
                          • Stephen Hotz

                            Stephen Hotz FABO Gold Member FABO Gold Member

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                            If you look at the breakdown adding a stall converter or a manual valve body actually offsets the initial penalty for a manual trans.
                             
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                            • bobscuda67

                              bobscuda67 Well-Known Member

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                              I come up with a 12.40 for my car with all the penalty deductions. I don't know what it weighs so there might be more.
                              I have never raced it but I would guess low 14's with the 245-60-15 BFG tires.
                              I'll try it this year for fun but I'm gonna get stomped by cars with 318's.
                               
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                              • Stephen Hotz

                                Stephen Hotz FABO Gold Member FABO Gold Member

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                                Welcome.
                                 
                              • moparmandan

                                moparmandan FABO Gold Member FABO Gold Member

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                                Alright, I'll play!
                                15.9
                                Weight: 3200 lbs -.1
                                Gear: 2.76 TDC
                                Tires. 26.2. TDC
                                Car. TDC
                                4x4. TDC
                                Elevation. TDC
                                360 block (79 smogger I'm protesting already, lol) -.6
                                Carb. 4 barrel. -.4
                                Heads. 360. -.4
                                Cam. TDC
                                Piston. TDC
                                Crank. TDC
                                Trans 727. +.3
                                Converter. 2500. -.4
                                =14.3
                                Hmm. Butt dyno says no way. I better get to tuning. Haha
                                Èdit : Fixed bad math. Butt dyno says no f-in way! But we'll give it hell!
                                This will be fun. I have several things I want add through the year I have laying around. Headers, cam, home ported heads, gears, etc.
                                 
                                Last edited: Jan 4, 2020
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                                • 318willrun

                                  318willrun Roadkill '80 D150

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                                  Cool! you have stock 318 heads on the 360? Cool... :)
                                   
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                                  • moparmandan

                                    moparmandan FABO Gold Member FABO Gold Member

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                                    Son of a bitch. I get bagged for 360 smogger heads too? Damn, more math.
                                    BTW thanks, lol
                                     
                                  • 318willrun

                                    318willrun Roadkill '80 D150

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                                    Glad your in it!
                                    :thumbsup:
                                     
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