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  1. Nate S

    Carter BBD question

    If you run into trouble or just give up I have a rebuilt BBD from a ‘64 361 that I will never use again. Works fine. It’s yours for the price of shipping.
  2. Nate S

    What is this 6 pack set up worth- original mint DC Hussle stuff 440 6pack

    The triple pumper is truly awesome to drive, especially in a 4 speed. No waiting for the vac to reopen the secondaries after a shift (assuming you’re a person who lifts your right foot). The only carbs I can remember actually flooding a 440 with. These carbs are not common.
  3. Nate S

    1965 426 Wedge Carter AFB Question

    Bob, over the different brands and a broad number of years yes you are correct. Over a narrower number of years, 63-65 for instance, and staying within Mopar, you aren’t. I’ve rebuilt many of these, 383, 413,426 and they are ridiculously similar. Multi-carb setups have more differences of course...
  4. Nate S

    1965 426 Wedge Carter AFB Question

    FWIW most of those have such indescernably tiny differences they are interchangeable, assuming they are for a Mopar to begin with. If you compared that one to a ‘64 3611 or the 3644 on an Imperial you might, just maybe, find a difference like a jet size. Or not.
  5. Nate S

    DP4B and throttle/kick down bracket

    Repros are made of most of those brackets. Buy one and bend, cut, weld until it’s what you need. Keep the original aside if desired later.
  6. Nate S

    New or Rebuilt Carter AVS 4966S

    That would work fine on a stock 440. He’s pointing out that a stock 440 HP (375 HP) had a super similar but larger primary bore carb. That one is probably about 750 cfm. Probably worth 5-10 hp.
  7. Nate S

    Carburetor choice

    On a mild big block I have used and always liked a 3310-1. This is a 4150 series (has a front and rear metering block, regular jets in both). Has down-leg boosters (open in the middle, no little bar going across). Vacuum secondary (single pumper). 780 cfm. I’ve found these to be very...
  8. Nate S

    4 bbl carb choice

    Yes. Kind of like the unsilenced air cleaners.
  9. Nate S

    4 bbl carb choice

    It doesn’t cover the base. Looks the same on top though.
  10. Nate S

    4 bbl carb choice

    Mancini sells an air cleaner base that’ll fit the filter and the 5-1/4”. I’d do that (did in fact). Now use a Holley 3310-1
  11. Nate S

    Carb recommendations

    My guess is with that very large cam for the street the idle needs to be so far open it’s pulling from the idle transfer slots and fouling the plugs. The best way out of the problem is a milder cam, then everything will match.
  12. Nate S

    Carb recommendations

    If a six pack at 990 cfm was ok on a stock cam, iron headed 440 I can’t see why an 870 should be too much on your significantly more agressive version. Needs deeper gears (3.91) and a 11” converter at a minimum though.
  13. Nate S

    Fuel economy on a 440 maybe 493. With MPFI and T56 magnum

    You’ve got the deck about as stacked in your favor as you can get it. I’d guess 15 / 18 city / highway.
  14. Nate S

    Fuel economy on a 440 maybe 493. With MPFI and T56 magnum

    There are a huge number of variables, you’ve made a couple better but cam, timing with vacuum advance, and compression ratio are still unknown to us. Oh, weight too. If all that is stock-ish you’re probably at 14, on the highway with fi and that tranny maybe you hit 19. Most people never...
  15. Nate S

    What Carb should I put on 440 going in 70 Coronet?

    I think we need a photo to get the proper answer.
  16. Nate S

    What Carb should I put on 440 going in 70 Coronet?

    I’d go find a 3310-1, mostly because that’s what I did for the same setup. Love it. On an earlier occasion, same exact car as yours, I used a Holley 830 annular discharge, really loved that, absolutely stupid throttle response.
  17. Nate S

    Manifold Vacuum Increasing not Decreasing with Throttle??

    All above sounds correct. Just the same, check gage to be sure it’s PSIG and not PSIA.
  18. Nate S

    Power Dies on WOT in lower rev range

    There was a good question farther back up the stack. What was the starting point? Did it ever have a good pull down low while you’ve owned it? There’s a long way between a car that’s changed from good to bad and an engine that’s been built and never worked as hoped. Lots of good suggestions so...
  19. Nate S

    Fuel Pouring Out of Secondary Boosters

    Yep, a float or needle problem. Of special note, some combinations that use the metering plate as opposed to the larger metering block can have the float rub up against the plate and get stuck. The metal floats all used to be the same, now they are different.
  20. Nate S

    Holley 3310-1 - Cracked Baseplate - Suggestions?

    Notice no PCV port and no manifold vacuum port. The Chevy body had some extra ports on it to compensate.
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