1. 4spEd

    4spEd Well-Known Member

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    Time to get lower rpm for highway driving. SST A41 conversion started today.

    0AA5CCF1-5C5F-4EAD-8572-E3A46EDF2577.jpeg 11A6DF03-6BAB-4540-A97C-543F313EC9E6.jpeg
     
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    • Kern Dog

      Kern Dog FBBO Gold Member FBBO Gold Member

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      Great! What is the price on one of those ?
       
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      • 4spEd

        4spEd Well-Known Member

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        $6200 not cheap, but its not an investment its enjoyment. Its a Stage 3 650tq.
         
        Last edited: Jan 12, 2019
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        • coronet68mx

          coronet68mx FBBO Gold Member FBBO Gold Member

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          congratulations most of us here do that,just for the joy , just don't tell the wife how much you spend :lol:
           
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          • rumcustom

            rumcustom Well-Known Member

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            Bookmarked. Please post progress pics and how extremely happy you are when done.
             
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            • 4spEd

              4spEd Well-Known Member

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              I will update each work day.
               
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              • 65wgn440

                65wgn440 Well-Known Member

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                So the 4sp in your screen name must refer to overdrive ????
                 
              • BDF6

                BDF6 FBBO Gold Member FBBO Gold Member

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                SUBSCRIBED! I'm teetering on the fence regarding this very thing.
                 
              • 4spEd

                4spEd Well-Known Member

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                Actually thats from before I bought the car. Should I change it to A41ed?
                 
              • 4spEd

                4spEd Well-Known Member

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                I was tetering TKO or A41. Kind of like the auto. A lot of freinds telling me go manual but i’m driving so auto it is.
                 
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                • moparcrazy

                  moparcrazy Well-Known Member

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                  Very Cool Man I have a Gear Vendor and absolutely love it ! you will too :thumbsup:
                   
                • BDF6

                  BDF6 FBBO Gold Member FBBO Gold Member

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                  The Charger is my only 'auto'mobile all the others are manual. I have to shift constantly around here & the auto trans makes for a very relaxing change of pace for me.
                  It's nice to just mash the gas & go, especially in miles & hours of stop n go :thumbsup:
                  I'll
                  Be paying close attention here, thanks!
                   
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                  • rumcustom

                    rumcustom Well-Known Member

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                    I’ve been weighing the different between an auto with OD like this or adding a gear vendors unit behind my 727. The 727 needs a full overhaul and upgrade$ so add that to the cost of the gear vendors unit behind it and I think I’ll be taking a big chunk out of the cost of and overdrive transmission. I might take the plunge if I don’t need to cut my floor.
                     
                  • cryplydog

                    cryplydog FBBO Gold Member FBBO Gold Member

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                    Very nice pc. 4-sp. May I ask what your diff ratio is?
                     
                  • Kern Dog

                    Kern Dog FBBO Gold Member FBBO Gold Member

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                    I have considered one of these but in a real strange turn of the tide, I am considering a 5 speed manual swap!
                    Good luck though.
                     
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                    • 4spEd

                      4spEd Well-Known Member

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                      Its 3.73, I am thinking 3.55 would be better as the A41 gears are even lower than the low gearset 727 I have. I will drive it and see if it needs changing. For some reason the online calculators for speed and rpm arent 100% correct for me. Input tire diameter, trans, and rear gearing info and its off. So real world will tell me. If I decide I need a 3.55 I may just by a S60.
                       
                    • 4spEd

                      4spEd Well-Known Member

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                      Well got the old 727 out today. Required unbolting passanger header. Next weekend I will dimple tunnel and fold the seam in transmission tunnel. Then hopefully bolt the A41 in. I test rolled trans jack and A41 under car, after many attempts I finnaly have the car high enough.

                      06D5FD17-A450-4899-A928-F700DF6E5052.jpeg B3A7BB41-0C0F-44B1-A710-133A3E23D4FF.jpeg E055DB0A-DCBA-49EA-86F7-BC6A943A253C.jpeg 1ED5F7B4-4501-4A3A-A5CB-CC308DB20FCC.jpeg
                       
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                      • rumcustom

                        rumcustom Well-Known Member

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                        Please post pics of the tunnel etc where u have to modify it
                         
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                        • yella71

                          yella71 Well-Known Member

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                          that is a GM trans correct?
                           
                        • Kern Dog

                          Kern Dog FBBO Gold Member FBBO Gold Member

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                          It is a GM based transmission. A Mopar specific bell housing is included in the kit.
                           
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