Starting a BB Duster project

Big Block A body Tech

  1. 5.7 hemi

    5.7 hemi FABO Gold Member FABO Gold Member

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    Just asking.....when an engine is dyno tested, why not run it as it will be run in the car, ie, alternator, water pump, power steering pump (if using), ac (if using)? That should give a real number, right?
     
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    • AndyF

      AndyF Well-Known Member

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      It isn't very practical to hook all of that stuff up on the dyno. Besides, nobody really cares about the 10 or 15 hp that the accessories consume, that isn't the point of the dyno test.
       
    • oldkimmer

      oldkimmer FABO Gold Member FABO Gold Member

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      Like Andy says, That’s a lot more work, and dyno time ain’t cheap. Kim
       
    • 5.7 hemi

      5.7 hemi FABO Gold Member FABO Gold Member

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      Agreed. I would like to see an engine dynoed with all its accessories that are going to be used in the car, just seems more accurate.
       
    • AndyF

      AndyF Well-Known Member

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      If that is the way you like it done then that is how you should do it when you dyno your engines.
       
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      • fishmens67

        fishmens67 Well-Known Member

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        The REAL number on one dyno with be challenged by the next.
         
      • RockOutWithYourBlockOut

        RockOutWithYourBlockOut Member

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        If you're looking for data on the extra load on your engine, you might as well include your drivetrain as well. There's no reason to care about your engine accessories if you're not going to take your trans/driveshaft/diff/wheels/axles into consideration too, and they'll likely draw much more power than your water pump and alternator. At that point though, you'd want a chassis dyno with the engine in the car, not an engine dyno.

        Maybe later you'll remove the power steering, or you want to put AC on the car, or you slap a different tranny into it, but your flywheel horsepower is always going to be your engine's "theoretical max HP" before everything else is bolted on to reduce that number. Sometimes it's just nice to know the HP you started with!
         
        Last edited: Mar 28, 2019
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        • 5.7 hemi

          5.7 hemi FABO Gold Member FABO Gold Member

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          What an ass!
           
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          • Lonewolf3165

            Lonewolf3165 Living the Dream!

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            My comment was regarding the amount of load caused by the fan. If it draws “30 HP” on one motor it’s going to draw 30 hp on another because of the amount of work it takes to turn the fan stays consistent.
             
          • rumblefish360

            rumblefish360 So close, yet so far away FABO Gold Member

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            He makes a point.
            Also, a good watch on this subject would be motor trend on demand, engine masters program where they answer a few questions through a few videos on fan power consumption and acc. drive.

            It is very well worth the watch.
             
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            • AndyF

              AndyF Well-Known Member

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              Since the car is all stripped down I've decided to just go ahead and get the front clip soda blasted and hit it with epoxy primer before putting it back together. Just figured why not do it now since it is all apart. If I put it back together unpainted it will always look ratty.
              DSC_3452 (Large).JPG
               
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              • AndyF

                AndyF Well-Known Member

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                Got the car back from soda blasting. The soda blaster company also shot it with an epoxy primer sealer. I'm looking around now to see if I can find a place to shoot it with a top coat since now is the time to do it. Everything is ready for assembly once the paint is finished.

                DSC_3471 (Large).JPG
                 
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                • oldkimmer

                  oldkimmer FABO Gold Member FABO Gold Member

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                  Looks great. It’s really coming along. Kim
                   
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                  • AndyF

                    AndyF Well-Known Member

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                    In the booth the other day for some color.
                    DSC_3542 (Large).JPG
                     
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                    • oldkimmer

                      oldkimmer FABO Gold Member FABO Gold Member

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                      It’s coming along pretty good. Kim
                       
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                      • AndyF

                        AndyF Well-Known Member

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                        Thanks. We sprayed the front clip W1 white which is the correct white for a 1972 Duster. I didn't know that that the '72 white is actually cream colored until the car was in the booth. I guess I just assumed white was white. When the guy started spraying the car I was wondering what was going on. The paint looked brown under the lights in the booth. Still not sure I like the color but I suppose it is growing on me. It has a lot of yellow in it. I think they should've called it butter rather than white.
                         
                      • STR-14

                        STR-14 I put the hoar in hoarder

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                        It grows on you….. MOPAR 1972 DUSTER SUMMER 2015 003.JPG
                         
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                        • oldkimmer

                          oldkimmer FABO Gold Member FABO Gold Member

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                          Well that’s a bit of a bummer. Last time I had a car painted I took the paint chip to the body shop. When I went to pick up the car I’m like wtf is that color supposed to be. Apparently different brands of paint are not ta perfect/ good match to the factory paint code. Kin
                           
                        • rumblefish360

                          rumblefish360 So close, yet so far away FABO Gold Member

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                          The “dirty” white is Spinnaker White?
                           
                        • famous bob

                          famous bob mopar misfit FABO Gold Member

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                          Exactly what I was thinking .

                          thumbnail - Copy (2).jpg
                           
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                          • Jadaharabi

                            Jadaharabi FABO Gold Member FABO Gold Member

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                            Is that EW1?
                             
                          • AndyF

                            AndyF Well-Known Member

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                            Yes, we painted it Spinnaker White which is actually a cream color or a very light yellow color. I was just assuming that the '72 Duster white color was white not cream. I guess I got fooled by the '71 color which is Sno-White which is a bright white. Not the end of the world, it is the original color so that is fine. The cream color isn't the worst choice. I have a friend with a Wimbledon White Mustang and it is also a cream color. I don't mind the cream color, it was just a bit of shock when the painter started to spray the car. I was expecting white and it looked beige or tan in the booth.
                             
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                            • AndyF

                              AndyF Well-Known Member

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                              Now that the engine compartment is painted I can start in on the final assembly. It has all been together before so it should go together fairly easy this time.
                              DSC_3544 (Large).JPG
                               
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                              • 451Cuda

                                451Cuda Well-Known Member

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                                I like the off white, shows body lines a little better I think.
                                 
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                                • rumblefish360

                                  rumblefish360 So close, yet so far away FABO Gold Member

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                                  That’s sounds right. I just went to check my paint can and the code is covered in paint.
                                   
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