New Edelbrock AV2 Carb

General Mopar Tech Discussions

  1. lewtot184

    lewtot184 Well-Known Member

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    you have to figure jet area. the cruise area for the 1812 is .00637. the cruise area for the 1912 is .00518. I worked on an 1813 a few years back and ended up with .107 primary jets and 70x47 rods with .104 secondary jets. cruise area was .00515 and WOT was good. so, the newer jetting for the same size carb confirms the tune up I did. one thing I did to help tip in was get rid of the big squirter. I used a .024 and this set-up drives great with very responsive WOT. I always believed to 750's and 800's were way too fat and the over rich condition contributed to the hesitations.
     
  2. lewtot184

    lewtot184 Well-Known Member

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    that booster looks good for the large venturii.
     
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    • lewtot184

      lewtot184 Well-Known Member

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      summit has these carbs for $330 something, or they can be bought direct from edelbrock. i'd love to have one to play with but don't have a clue what i'd use it on,....lol.
       
    • threewood

      threewood FBBO Gold Member FBBO Gold Member

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      I know, right! Super deal on them so I figured I could play around with one. The response is fantastic throughout the throttle range. Down low, my A/F holds pretty steady. I really like it, no issues. I may even try and get cruise a touch leaner. With the stock rods and jets it hovers around 12-12.4 cruise. I may pull off the choke hardware as I really don't use it.
       
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      • lewtot184

        lewtot184 Well-Known Member

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        if your using a vacuum advance i'd try tuning with it before changing jet area. there is a 67x49 rod if needed.
         
      • Bee1971

        Bee1971 Well-Known Member

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        #s 383 Magnum/432 Stroker that I built last year
        Factory Exhaust Manifolds

        AVS-2 installed this week
        1912-800cfm

        Installed a Edelbrock 1/2” open spacer at the same time on top of the Weiand dual plane

        Replaced a very clean 1970 Carter AVS 440 HP-750cfm that I had setup pretty decent and tuned over with Edelbrock jets/Metering rods/Covers

        Honestly I thought it ran pretty damn good before

        WOW - Throttle response down low off idle is scary responsive - Add 20/30 mph into the throttle and the Auto Trans 3:91 Sure Grip is going sideways

        Cruise is great

        Only thing I did so far was set the air screws and idle

        The air door is set up on the light side , will tighten the spring up next a tad and go from there on metering rods and jetting if needed

        Very happy so far with just a few quick cruises

        Starts and idles Awesome , but so did the Carter AVS that it replaced

        BBCD2B95-BD60-4E4E-8BE1-C47C831B87EA.jpeg 6D75A87D-D0FF-4E19-B0C2-B9DDEB6490A1.jpeg EBBCEE69-999F-40E7-9374-4A93B4A52EAB.jpeg 30304089-B2E4-4D0F-BFE0-C3EF76921214.jpeg 44857412-AF87-45C6-A296-292EF9CB34EC.jpeg
         
        Last edited: Jun 6, 2019
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        • BSB67

          BSB67 FBBO Gold Member FBBO Gold Member

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          Very nice. Thanks for sharing
           
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          • Bee1971

            Bee1971 Well-Known Member

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            I couldn’t find this thread thru search

            If someone could change the thread title to AVS2

            Not AV2

            LOL - Anyways


            Have you played with your A/F

            I don’t have a A/F Meter

            But I dropped down the primary jets to .101

            Same metering rods and secondary jets

            Was pulling a few plugs after idle then cruise mode

            https://static.summitracing.com/global/images/chartsguides/e/edl-1912.pdf
             
            Last edited: Jul 13, 2019
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            • threewood

              threewood FBBO Gold Member FBBO Gold Member

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              Honestly, I could go leaner on the primaries. I think I was around 12 at cruise. It's been hotter than heck here so I haven't taken the car out in several weeks. But it was running really good and plugs looked good.
               
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              • Turboomni

                Turboomni Well-Known Member

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                Hey guys I am a FCBO member mainly and want to use the 800CFM AVS2 on my 505 stroker build. No fuel section there[FCBO] but found this here. Wondering what fuel pump [mechanical] do you use to feed this thing. I am not a drag racer but once in awhile like to do that. I have a big beast 69 FuryIII and like to cruise around and blast down the highway too with it's 3.23 rear. It is a rather mild build and want the torque.
                I know Eddy's don't like more than 6 psi fuel pressure and if I can get away with it would like to not use a fuel pressure regulator. I was looking at a Carter that looks stock and has 30GPH and runs 5 psi. Anyways would like to hear recommendations on mechanical fuel pumps for the AVS2 800cfm.
                Thanks.
                 
              • threewood

                threewood FBBO Gold Member FBBO Gold Member

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                The Edl-1723 pump would work. 6 psi non regulated.
                 
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                • rod440

                  rod440 Well-Known Member

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                  Has anyone tried one of these?
                  The POWERBLAST PLATE by Thompson Performance, LLC
                  I'll bite!
                   
                • Turboomni

                  Turboomni Well-Known Member

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                  Get one and report back.
                   
                • rod440

                  rod440 Well-Known Member

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                  It came in the mail today but my car will be hibernating for the next 4 months or so,it will be interesting to see what it does,I'll keep you posted.
                   
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                  • Turboomni

                    Turboomni Well-Known Member

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                    Seems like alot of money for a stamped piece of brass.
                     
                  • Turboomni

                    Turboomni Well-Known Member

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                  • bigmanjbmopar

                    bigmanjbmopar Newb with a view

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                    Anyone using a 1912 manual choke and not using the choke? Does the choke plate stay open?
                     
                  • threewood

                    threewood FBBO Gold Member FBBO Gold Member

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                    You can wire it open on the pass side where the cable attaches. I removed my choke completely.
                     
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