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  1. RT K_line

    Never seen a low rise dual quad intake on a 383?

    I'v seen one on a road runner I think it was. Back in the 70s early 80s when I used to drive around looking for old mopars hidden on back roads and back yards. The owner swore it was a factory 383 intake and I remember it was cast iron too. I thought it was cool. But the owner wouldn't sell...
  3. RT K_line

    Stumble under hard acceleration. Timing? New carb, GM HEI, eCore coil

    When I put my Demon on I had to play with jetting and power valves. The power valve helped the most. It had been a while since I messed with carb tuning but here's what I did. I put a vacuum gauge on the intake and while its idling snap the throttle open and watch the gauge to sere how far it...
  4. RT K_line

    gas mileage??

    I think your doing pretty good as is, my 92 pathfinder (daily driver) gets 17/18 with a v6 and isn't as cool as a mopar.
  5. RT K_line

    Which Holley Carb to choose.

    Back in the day I ran a 780 vac secondaries on a very similar set up, so a 750 should do the trick. unfortunatly the factory air cleaner won't work without some sort of adaptor. I don't think there is enough clearance.
  6. RT K_line

    What carb to choose? Mostly stock 440 GTX

    Me too! I had a 780 vac secondary on a 72 400 that I had a comp cams 268 cam and it performed better than my 440 with a 750 holly. Maybe you just need to tune it . Power valve change or something.
  8. RT K_line

    Edelbrock AVS Carburetors replace the old Carter with a new one seems simple right

    Aren't the air cleaner base plate openings smaller on the older carbs too?
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