440 Holley Dual inlet fuel line plumbing

Fuel and Air Systems

  1. Jim Maserejian

    Jim Maserejian Member

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    DIY not a mechanic looking at all the pitfalls before I begin the next project - switch from Edlebrock performer series to Holley Dual inlet 4160. Need advice on fuel lines (pump to carb) for '67 Coronet with 440, TF, stock intake manifold, aftermarket headers, Lunati cam and I recently updated to electronic ignition. Currently lines plumbed for Edelbrock performer 600 single inlet. Just for the heck of it, if I wanted a Holley 750 cfm 4160 (dual feed inlets), how much plumbing headache will I have? I don't have a Holley, yet. I'm afraid that the usual dual inlet chrome line for $20 will bump into the distributor. or coil. No return lines on this engine. If you've tried / done the conversion, looking for your advice.

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    Last edited: Jun 12, 2019
  2. Jim Maserejian

    Jim Maserejian Member

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    RSD-PCY05S_s.jpg Found this on Summit Racing - looks like it would solve the problem.
     
  3. moparedtn

    moparedtn FBBO Gold Member FBBO Gold Member

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    You can use that one (they're real common, of course) but I can tell you on a 440 it's gonna require a little "redirecting"
    on the inlet end (sits low on a stock intake and aims at the distributor).
     
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    • Joe66satellite

      Joe66satellite Well-Known Member

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      If you already have an Edelbrock on it you could just get an Edelbrock 750 CFM carburetor that's what I did reducing my ProForm 850 double pumper because I got terrible gas mileage with that thing and I couldn't get a very good idle out of it either just saying
       
    • dadsbee

      dadsbee FBBO Gold Member FBBO Gold Member

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      • Ratbastard

        Ratbastard Active Member

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        8A959C91-75D5-4440-AE15-9C8B5F2D8910.jpeg 1E07FC5D-C3AF-472F-9776-A5C15E52D42D.jpeg Just like dadsbee did just run the duel fuel line backwards to the rear and run fuel line where you want. This is what I did.
         
      • Jim Maserejian

        Jim Maserejian Member

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        Thank you - Looks good. I was hesitant to to pull off the 180 turn. But it looks clean. Is a braided steel line a waste of time?
         
      • Jim Maserejian

        Jim Maserejian Member

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        dadsbee can you possibly get a pic of where the coil was moved to?
        Jim
         
      • dadsbee

        dadsbee FBBO Gold Member FBBO Gold Member

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        Right where it belongs.. well at least with one bolt!
        beerestoration2017 728.JPG beerestoration2017 733.JPG
         
      • Ratbastard

        Ratbastard Active Member

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        You won’t have a problem with u-turn, braided line is for wear and tear and looks only. Ran line along fender to keep fuel as cool as possible as long as possible. If looking for factory stock look, then run it right along the engine and intake as close as possible.
         
      • Jim Maserejian

        Jim Maserejian Member

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        Great pics thank you. Looks like a good size carb spacer seems to help the primary side bowl clear the coil. As an easier fit option, Holley is offering a single feed 750 cfm 4160 model - it's a bit smaller overall dimensions with the inlet on the driver's side front.
         
      • BBishere2

        BBishere2 FBBO Gold Member FBBO Gold Member

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        I took a similar fuel rail off of my 440 as the fuel line will plumb with a rubber hose over the distributor. I replaced it with a Holley fuel rail and a 90 degree turn down that gets the fuel line away from the distributor and gave a port for a fuel pressure gauge. Picked the parts up from Summit and they work great.
         
      • Jim Maserejian

        Jim Maserejian Member

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        Update - The dual inlet Holley's front primary side fuel bowl was all over the coil bracket. Rather than fabricate a bracket extension / move it, I ended up choosing a single inlet Holley 4160 which has slightly smaller dimensions front/back, allowing reasonable space for the coil. Maybe the '67 440HP stock intake manifold has a different set up for coil mount than later manifolds?

        A 1/4 inch carb spacer was required, with either dual or single inlet Holley 4160, to allow full movement of the throttle mechanism. Classic industries has a $15 pump to carb fuel line designed for OEM single inlet Holley carbureted Mopars.

        So it's not exactly stock appearing, but I will say the exhaust smell at idle is a lot more tolerable with the Holley 4160 than the Edelbrock Performer (no matter how I tuned the idle mixture screws, it just skunked - possibly because of the particular Lunati cam I guess). Thank you for all the advice and pics.

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        Last edited: Jul 27, 2019
      • HEMI-ITIS

        HEMI-ITIS STREETER on LI FBBO Gold Member

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        Sometimes there is no road map,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,:lol:

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        • Ratbastard

          Ratbastard Active Member

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          Jim, I think the thing you learn most is, adapt and move on. Take notes, invent, live with your choices, and Enjoy your success. If any thing I’ve learned at car shows is what the hell was that guy thinking when he installed that piece on that car. Other then that, we’re all professionals. Enjoy your work, and always take credit for it!!!!!!!!!! This is what it gets you. Your peers will like your work.

          07108B24-1CC9-4275-82E8-FC31EA562C9E.jpeg 134CAEBD-7DF1-48D7-BF99-FCE6BA372909.png
           
        • TN Mopar

          TN Mopar Well-Known Member

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          This is what I did

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