318 Poly Turbo A Body

Discussion in 'Forced Induction Mopar' started by Turbo poly, Nov 27, 2015.

  1. Turbo poly

    Turbo poly Oz Charger

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    image.jpg image.jpg image.jpg image.jpg Because I'm using the 998 Trans , I needed to clearance the block to allow the starter to fit , the A style blocks are different to the LA blocks by about 3/4 " on the starter side . This is not really an issue if using a 727 trans , some will have one bolt hole in a different location , depending on years.
     
  2. Turbo poly

    Turbo poly Oz Charger

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    Got back to work on the Poly /Charger , Had to make a Booster delete Plate all part of the RHD Challenges , either this or put the brakes under the dash , removing the two pulleys from the stack provided hours of fun :) as was resurrecting some coral Kick Down / Shifter pieces .... Then I pulled out the Hemi 6 and K frame and all concerned , and popped in the Poly , Converted it back to Auto , Just need to make an Exhaust System and all the little things Neutral safety , reverse lights ect

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  3. moparmat2000

    moparmat2000 FABO Gold Member FABO Gold Member

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    Wow awesome build. I love those Aussie valiants. "Hey Charger" from the looks of the pix i am sure you will be hearing that from a lot of people when you drive her around again.

    I cant wait to read about how well your combo works.

    Subscribed
     
  4. Turbo poly

    Turbo poly Oz Charger

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    20160701_174249.jpg 20160701_185334.jpg 20160702_121008.jpg 20160619_172928.jpg 20160620_191427.jpg 20160619_172909.jpg 20160626_134606.jpg 20160626_134648.jpg 20160626_143558.jpg almost finished :) Removed the 28yo exhaust , made some new pipes ect , back on wheels , need a wheel alignment and test drive time ... 20160703_200413.jpg
     
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    • Turbo poly

      Turbo poly Oz Charger

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      Re Phased my Distributor , so it has Reluctor/Rotor/Terminal post aligned at 16Deg BTDC (locked) , and I used the Vac advance plate to wind in 15Deg more for a total of 31Deg , I cut off the Diaphram and welded a S/S bolt shank slid a spring onto it (tensions against nut) so I can wind in or out advance . Because I have the Mallory Charger 6 (boost retard Box) I pull the timing back to 15 by 7psi , tested it at idle by hooking the Map sensor up to my compressor, worked well :)

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      • Matts440

        Matts440 FABO Gold Member FABO Gold Member

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        Very cool
         
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        • MarzGraphixDesign

          MarzGraphixDesign Well-Known Member

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          My brothers from down under showing his skills, Love the Poly Im going to do a set of poly heads for my stroker build. I was thinking of a SC for mine.
           
        • autopar3000

          autopar3000 Well-Known Member

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          I'm subscribing!
           
        • Turbo poly

          Turbo poly Oz Charger

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          Time to try another Carb , Pulled the 500 tonight , surprisingly it worked quite well , ran 5 -7 psi through it , boost referenced via the hot side (below turbine) in the pipe work , this gave reliable enrichment right before boost rise , fuel distribution was better on the stock intake over the Weiand , but pretty happy with how that all went overall. Got some new Carb options ,
          Just picked up a new C&S 650 blow through (gas) keen to try it , and one day wouldn't mind trying the TQ .


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          • jeffnmo

            jeffnmo Just another Mopar Maniac

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            This is awesomeness at its best keep up the great work.

            Jeff
             
          • subcom

            subcom Well-Known Member

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            Great build and amazing skills! Can't wait to see some dyno or track numbers. Cheers.
             
          • Turbo poly

            Turbo poly Oz Charger

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            Cheers guy's thanks for your kind words , got a quick test drive in , Carb as delivered ran nice ( with just idle / mixture adjustments) 5psi with a 7psi spike on the shift .. All good need to pull some fuel from PV jets (rich as delivered ) @#63
            One issue I have had since putting on the Aluminum manifold is heat soak via the Exhaust cross over under carb , ( I was too impatient and did not block it off before fitting it) this is causing poorer idle quality when combined with the engine/ carb/hat affected by latent heat . So it's time to buy some more intake gaskets :)

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          • Turbo poly

            Turbo poly Oz Charger

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            Been a little while since I posted , Poly is still alive, have pushed it to 10 psi with the C&S 650 Blowthrough carb , I think I will get a Cam next and maybe port some heads up , the stock .391 lift cam minus wear is not exactly a high performance piece , that said it was beginning to make some steam @10psi :)

            So being a tinkerer , I popped on the the TQ , (the original one I had had a bent secondary throttle shaft ) so I replaced the baseplate with another , turned the Boost way down to 3 psi , cruise is 14.6 to 15.2 from 35 to 65 mph , and WOT 11.8 to 12.4 ? Didn't do anything wrong , so I am @4.5 psi now , slight tweak of the Airdoor equals 11.6 to 12.1 , I don't know if it can hold these numbers for a full pass , to be continued


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            • subcom

              subcom Well-Known Member

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              Nice! If you document how to blow-thru those TQ carbs you might put those fancy carb builders out of business. Or at least open the door to more and cheaper options for the budget builder.
               
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              • jeffnmo

                jeffnmo Just another Mopar Maniac

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                Still watching the build, keep up the great work.

                Jeff
                 
              • Turbo poly

                Turbo poly Oz Charger

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                Tried the TQ @ 8psi was holding 12.## until a few seconds into top , laid over 15.## and climbing retested did the same thing , (emptying the Bowl as expected ) have worked out another fuel source in theory , to be tested , and have some new number Drills for the jets ......

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              • 73golddusterkid

                73golddusterkid Gold Duster Kid

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                Any updates?
                 
              • Turbo poly

                Turbo poly Oz Charger

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                Unfortunately no , been working away for months , with fleeting trips home , I try to drive it or at least start it every time I return home ....( Stupid work. ) i am keen to get back into it as soon as I get a chance :)
                 
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                • Turbo poly

                  Turbo poly Oz Charger

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                  image.jpg image.jpg image.jpg Small update , long time since I have worked on the Charger , I have been trying to find a cam for the Poly , originally I had asked Bullet Cams for a mild cam , but by the time I went to order it , they were unable to source a blank ...... So I let it go for a while and recently I sent emails to several Cam suppliers here and in the US , I was resigned to the fact I would have to re grind an old cam . Only one Cam company replied to me ? Camcraft Cams , and they have Brand new Blanks in stock :) so I now have a new ( mild )Turbo grind and new full bodied lifters .... Just need springs , retainers and Chain set . And some time away from work and I will pop it in ....
                   
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                  • Turbo poly

                    Turbo poly Oz Charger

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                    not a good vid at all but , just doing a 2nd to 3rd run to check AFR
                     
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                    • 73golddusterkid

                      73golddusterkid Gold Duster Kid

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                      Sounds good! Hopefully it's running well!