1. 74RR

    74RR Well-Known Member

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    Looking at a used 9.5 Dynamic convertor for my 360/904. Anyone use Dynamic?
    Thanks.
     
  2. younggun2.0

    younggun2.0 Well-Known Member

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    yes! awesome converters. high qualilty stuff.
     
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    • 80fbody

      80fbody Well-Known Member

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      Good company. Have the same converter on my shelf waiting for the next small block build. Got the BB bug.
       
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      • 74RR

        74RR Well-Known Member

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        That's what I was hoping to hear! That's guys.
         
      • EL5DEMON340

        EL5DEMON340 Well-Known Member

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        Got one on my 360 727. Flash at 4,400 rpm. Very happy with it.
         
      • SRT_DSTR15

        SRT_DSTR15 Well-Known Member

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        I have one, but haven't used it yet. Ran me 750, it's a 4200 stall that I am waiting to unleash!
         
      • rbdart

        rbdart Well-Known Member

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        Running 9.5 dynamics bblk dart..cant beat them...worth the money..
         
      • ir3333

        ir3333 Well-Known Member

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        ..for a stock 340 with a 3:23 or 3:55 gear is there any value in a custom built converter?
        ..stock stall was 2250 - 2400.
         
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        • jdsduster

          jdsduster Well-Known Member

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          not dynamic,but im running a 9.5 ptc behind my 360,i like it.and it runs under $500.00
           
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          • EL5DEMON340

            EL5DEMON340 Well-Known Member

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            I would just go with stock on a stock 340
            Maybe something up to 3k.
            I don't think the stock 340 converters were quite 2,400 rpm I think they were right about 2,000
             
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            • ir3333

              ir3333 Well-Known Member

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              That rating is from the '69 dodge service manual but you're probably right.
              the current build will be a smooth idling 8.5:1, 340.
               
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              • younggun2.0

                younggun2.0 Well-Known Member

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                stall converters have come a long way since the days of the stock equipment. my dynamic runs at 60 mph with 4.10 rear gears and 28" tall tires right at 3000 rpm. the converter doesn't slip. the trans stays cool and when i smack it it flashes at 4500
                 
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                • WRB426

                  WRB426 Insane 4 Mopars FABO Gold Member

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                  I've had two of them built for me. Was totally happy with both of them. Would use them in a heartbeat.
                   
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                  • OldmanRick

                    OldmanRick Well-Known Member

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                    Hi 74RR. I've never personally owned a Dynamic, but I can confidently say from all the rave reviews I've seen and heard over the years, that the're a top notch company with a top notch product.

                    My slight concern is that it's a used unit. Not from a quality standpoint, but from a application standpoint.

                    I'll just make a suggestion here. Most of the big name companies keep a record of all the units they produce. Mainly so they know what the're dealing with when one comes in for a "tune up". I'd get the previous owners name, if he's the original, and any numbers or stampings on it so you can call them. Many 9.5's are built for so many different combo's, that if you give them your combination info along with the unit numbers, they can probably give you a pretty precise idea of how it will react in your car.

                    I'm sure you're gonna love it. Take care, Rick
                     
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                    • jimjimjimmy

                      jimjimjimmy lobsterman FABO Gold Member

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                      this is great advice it would be nice to see what combo it was made for I had one made in 97 and they still had my info last year when I was talking to them about a different combo.
                       
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                      • gtsdon

                        gtsdon Well-Known Member

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                        I bought a custom 9" from Dynamic a couple months ago. After numerous discussions with Frank and his staff I decided to give them a try. My car is a street and strip small block stroker. They pushed the 9" hard stating they could not get the stall out of the 9.5 inch that was needed for my combo. The converter was $900.00 dollars delivered to my door. My car now runs the exact same 60' and E.T. times it did with the previous 9.5 converter I was running. Called and talked to Frank to discuss the results and was told he needed to think about it and call me back. Still waiting on the return call.
                         
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                        • jefflock

                          jefflock 69 Dart 408 10.008 best pass so far

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                          I run an 8" in my race car and a 9.5" dynamic converter in my street car. Both work well.
                           
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                          • 74RR

                            74RR Well-Known Member

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                            Thanks Rick for the advise and thanks to everyone else for the replies!
                             
                          • Supershafts

                            Supershafts Well-Known Member

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                            You're buying a used custom TC for someone else's build.

                            While i use and trust Dynamic, you buying something that is not custom built for your needs.

                            Yes ir3333 anything custom built for your use will be far better than the part built for the anything application.

                            .
                             
                          • abodyjoe

                            abodyjoe Well-Known Member

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                            Used one in my dart. It was freaking awesome. Two friends also used them and loved them.

                            Make sure it's correct for your combo and intended use or you will hate it.
                             
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