LS powered Duster, Abomination or Go For it!

Transmission and Drivetrain Tech

  1. 300Ronin

    300Ronin Member

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    Hello fellow A-Body enthusiasts!
    Im sure this has been asked, but here we go anyways.. As the title states, stay mopar or go LS? I have access to a free LS. 5.3, out of a low mileage GM (27k miles) Would any of you consider that, or would it be an abomination. I have a 71 duster that i recently dragged home, and needs alot of work as you all can imagine. I'm not restoring to trailer queen finish, in fact im going to drive it like i stole it! Restomod, sure but nothing near stock, I just want a street ready, bat out of hell muscle car that can handle the occasional trip to the strip or VIR type road course. Any input or advice would be awesome. Thanks for your reply's, looking forward to the upcoming conversations.

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    • RustyRatRod

      RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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      It's yours. Build it like you want to!
       
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      • sabre67

        sabre67 FABO Gold Member FABO Gold Member

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        Hey its your car,your money,your choice you go for it. No complaints here:thumbsup::welcome:
         
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        • 300Ronin

          300Ronin Member

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          What would you do, stay mopar or go dark side and LS?
           
        • 300Ronin

          300Ronin Member

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          What would you do, stay mopar or go dark side and LS?
           
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          • MoparMike1974

            MoparMike1974 Well-Known Member

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            I would stay Mopar if it were mine. Gen 3 hemi if you want a modern power plant. At the end of the day its your car.
             
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            • 413

              413 Well-Known Member

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              Sell it and get a GM body for that LS
               
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              • RogerRamRod

                RogerRamRod The Older I Get, The Faster I Was FABO Gold Member

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                Personally, I’d say stay Mopar, but
                It is your car, but for God Sakes, don’t put a cowl induction hood on it just kidding, you gotta put up with the comments, not me.
                Staying Mopar will
                Cost you more money -Edit-(to built the actual engine) but it does fit
                Test your skills at finding parts.
                Give you the pride that comes from being a little more exclusive- whether or not they are built to perform, they get lookers at a cruise night because not everyone has one.
                Bonus- At every car show, you get at least one story about someone’s brother, friend, uncle that had a factory 440 Hemi Duster with a Rock Crusher 4 speed and Posi that nobody could beat.
                 
                Last edited: May 14, 2022
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                • mopar head

                  mopar head Well-Known Member

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                  abomination
                   
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                  • ragtopfury

                    ragtopfury Well-Known Member

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                    Build what ya want, keep the hood closed to not get beat up. LOLOLOLOLOLOL.

                    That being said, if i ever build a Cobra kit car it will be around a 440.......
                     
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                    • 273

                      273 Well-Known Member

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                      If it was me I wouldn't for me the whole point of driving a mopar is for mopar engines, to me once you drop a Chev into it your car is a Chev now, there's ton of Chev cars out there waiting for an LS swap. Saying that it's your car do what you want.
                       
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                      • Dana67Dart

                        Dana67Dart The parts you don't add don't cause you no trouble FABO Gold Member

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                        Why go to all the adaptation trouble with a 3rd party engine when you can bolt in a 273 through 440.

                        I get the money aspect but will you really be saving anything when all is said and done?
                         
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                        • Plymouth 65

                          Plymouth 65 Floorable Deplorable

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                          Keep it all Mopar, not a big fan of cross dressing! 65'
                           
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                          • Hyper_pak

                            Hyper_pak Old School Chrysler Fan

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                            How original, an LS swap.

                            Pardon my sarcasm.
                             
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                            • mgoblue9798

                              mgoblue9798 Well-Known Member

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                              Staying mopar will cost him more money than an LS swap?

                              I don't think so. Put a 5.9 magnum or LA 360 and go have some fun on the cheap.
                               
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                              • mderoy340

                                mderoy340 Well-Known Member

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                                Run the LS and put a NOVA emblem on the fender.
                                It's your car, hotrod it as you wish within your own budget and have fun.
                                 
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                                • A-Body III

                                  A-Body III Well-Known Member

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                                  Eventually everything sells and mis-matched powertrains, interiors, etc. most always devalues the vehicle. Keep that in mind but do what works best for you. :steering:
                                   
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                                  • 300Ronin

                                    300Ronin Member

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                                    Seen alot of 440's out there selling for cheap, maybe i should shoehorn one of those bad boys in it??
                                     
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                                    • RogerRamRod

                                      RogerRamRod The Older I Get, The Faster I Was FABO Gold Member

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                                      If he already has 5.3, maybe. That will bolt directly to a GM o/d trans (that many here have swapped to) a set of conversion mounts, ….
                                      Admittedly, I was really thinking of build cost.
                                       
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                                      • MomsDuster

                                        MomsDuster FABO Gold Member FABO Gold Member

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                                        Your car, do it your way! :thumbsup:
                                         
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                                        • mgoblue9798

                                          mgoblue9798 Well-Known Member

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                                          Custom exhaust, mounts, headers, computer and wiring, etc stuff adds up quick. Sell the 5.3, buy a small block mopar, and save some money and a lot of aggravation. Just my two cents.
                                           
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                                          • Oldiron440

                                            Oldiron440 Well-Known Member

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                                            If your going to put an LS in it let it sit and rust, a Mopar guy will come along and want to fix it up correctly….
                                             
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                                            • mopar head

                                              mopar head Well-Known Member

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                                              You might not like the economy, but you`ll absolutely love the power.:thumbsup:
                                               
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                                              • sabre67

                                                sabre67 FABO Gold Member FABO Gold Member

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                                                Everyone is allowed their opinion,but in the end......your choice:drama:
                                                 
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                                                • crj1968

                                                  crj1968 Well-Known Member

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                                                  upgrade the rear end... 8.75 8.25 or an 8 inch ford whatever. disc brakes up front..

                                                  LS- meh. Every soccer mom with a Suburban has an LS.
                                                  Lumpy 383 or 440 would be much more badass IMHO
                                                   
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